Value of cos 90

Sin Cos Tan Values In trigonometry, sin cos and tan values are the primary functions we consider while solving trigonometric problems. These When we find sin cos and tan values for a triangle, we usually consider these angles: 0°, 30°, 45°, 60° and 90°. It is easy to memorise the values for these certain angles. The trigonometric values are about the knowledge of standard angles for a given triangle as per the Sin Cos Tan Formula The three ratios, i.e. sine, cosine and tangent have their individual formulas. Suppose, ABC is a right triangle, right-angled at B, as shown in the figure below: Now as per sine, cosine and tangent formulas, we have here: • Sine θ = Opposite side/Hypotenuse = BC/AC • Cos θ = Adjacent side/Hypotenuse = AB/AC • Tan θ = Opposite side/Adjacent side = BC/AB We can see clearly from the above formulas, that: Tan θ = sin θ/cos θ Now, the formulas for other trigonometry ratios are: • Cot θ = 1/tan θ = Adjacent side/ Side opposite = AB/BC • Sec θ = 1/Cos θ = Hypotenuse / Adjacent side = AC / AB • Cosec θ = 1/Sin θ = Hypotenuse / Side opposite = AC / BC The other side of representation of trigonometric values formulas are: • Tan θ = sin θ/cos θ • Cot θ = cos θ/sin θ • Sin θ = tan θ/sec θ • Cos θ = sin θ/tan θ • Sec θ = tan θ/sin θ • Cosec θ = sec θ/tan θ Also, read: • • • Sin Cos Tan Chart Let us see the table where the values of sin cos tan sec cosec and tan are provided for the important angles 0°, 30°, 45°, 60° and ...

Give the values of angles for cos function. Answer:cos 0° = 1, cos 30° =√3/2, cos 45° = 1/√2, cos 60° = 1/2, cos 90° = 0, cos 120° =-1, cos 150° =-√3/2, cos 180° = -1, cos 270° = 0, cos 360° = 1 We will find the values of angles for cos function. Explanation: in a right triangle , cos θ is given by adjacent side / hypotenuse , where θ is the angle formed between the hypotenuse and the base of a right-angled triangle. the various cosine values based on the angle θ is listed below in the table. θ cos θ 0 cos 0° = 1 30 cos 30° =√3/2 45 cos 45° = 1/√2 60 cos 60° = 1/2 90 cos 90° = 0 120 cos 120° =cos (90 + 30)° = - sin 30° = -1/2 150 cos 150° = cos (90 + 60)° = - sin 60° = -√3/2 180 cos 180° =cos (180 - 0)° = - cos 0° = -1 270 cos 270° = cos( 270 - 0)° = -sin 0° = 0 360 cos 360° =cos( 360+0)° = cos 0° = 1 Thus, the valuesof angles for cos function are :cos 0° = 1, cos 30° =√3/2, cos 45° = 1/√2, cos 60° = 1/2, cos 90° = 0, cos 120° =-1, cos 150° =-√3/2, cos 180° = -1, cos 270° = 0, cos 360° =1

2 Equations and Inequalities • Introduction to Equations and Inequalities • 2.1 The Rectangular Coordinate Systems and Graphs • 2.2 Linear Equations in One Variable • 2.3 Models and Applications • 2.4 Complex Numbers • 2.5 Quadratic Equations • 2.6 Other Types of Equations • 2.7 Linear Inequalities and Absolute Value Inequalities • 5 Polynomial and Rational Functions • Introduction to Polynomial and Rational Functions • 5.1 Quadratic Functions • 5.2 Power Functions and Polynomial Functions • 5.3 Graphs of Polynomial Functions • 5.4 Dividing Polynomials • 5.5 Zeros of Polynomial Functions • 5.6 Rational Functions • 5.7 Inverses and Radical Functions • 5.8 Modeling Using Variation • 6 Exponential and Logarithmic Functions • Introduction to Exponential and Logarithmic Functions • 6.1 Exponential Functions • 6.2 Graphs of Exponential Functions • 6.3 Logarithmic Functions • 6.4 Graphs of Logarithmic Functions • 6.5 Logarithmic Properties • 6.6 Exponential and Logarithmic Equations • 6.7 Exponential and Logarithmic Models • 6.8 Fitting Exponential Models to Data • 9 Trigonometric Identities and Equations • Introduction to Trigonometric Identities and Equations • 9.1 Verifying Trigonometric Identities and Using Trigonometric Identities to Simplify Trigonometric Expressions • 9.2 Sum and Difference Identities • 9.3 Double-Angle, Half-Angle, and Reduction Formulas • 9.4 Sum-to-Product and Product-to-Sum Formulas • 9.5 Solving Trigonometric Equations • 10 Further Applications of Tri...

2 Equations and Inequalities • Introduction to Equations and Inequalities • 2.1 The Rectangular Coordinate Systems and Graphs • 2.2 Linear Equations in One Variable • 2.3 Models and Applications • 2.4 Complex Numbers • 2.5 Quadratic Equations • 2.6 Other Types of Equations • 2.7 Linear Inequalities and Absolute Value Inequalities • 5 Polynomial and Rational Functions • Introduction to Polynomial and Rational Functions • 5.1 Quadratic Functions • 5.2 Power Functions and Polynomial Functions • 5.3 Graphs of Polynomial Functions • 5.4 Dividing Polynomials • 5.5 Zeros of Polynomial Functions • 5.6 Rational Functions • 5.7 Inverses and Radical Functions • 5.8 Modeling Using Variation • 6 Exponential and Logarithmic Functions • Introduction to Exponential and Logarithmic Functions • 6.1 Exponential Functions • 6.2 Graphs of Exponential Functions • 6.3 Logarithmic Functions • 6.4 Graphs of Logarithmic Functions • 6.5 Logarithmic Properties • 6.6 Exponential and Logarithmic Equations • 6.7 Exponential and Logarithmic Models • 6.8 Fitting Exponential Models to Data • 9 Trigonometric Identities and Equations • Introduction to Trigonometric Identities and Equations • 9.1 Verifying Trigonometric Identities and Using Trigonometric Identities to Simplify Trigonometric Expressions • 9.2 Sum and Difference Identities • 9.3 Double-Angle, Half-Angle, and Reduction Formulas • 9.4 Sum-to-Product and Product-to-Sum Formulas • 9.5 Solving Trigonometric Equations • 10 Further Applications of Tri...

Sin Cos Tan Values In trigonometry, sin cos and tan values are the primary functions we consider while solving trigonometric problems. These When we find sin cos and tan values for a triangle, we usually consider these angles: 0°, 30°, 45°, 60° and 90°. It is easy to memorise the values for these certain angles. The trigonometric values are about the knowledge of standard angles for a given triangle as per the Sin Cos Tan Formula The three ratios, i.e. sine, cosine and tangent have their individual formulas. Suppose, ABC is a right triangle, right-angled at B, as shown in the figure below: Now as per sine, cosine and tangent formulas, we have here: • Sine θ = Opposite side/Hypotenuse = BC/AC • Cos θ = Adjacent side/Hypotenuse = AB/AC • Tan θ = Opposite side/Adjacent side = BC/AB We can see clearly from the above formulas, that: Tan θ = sin θ/cos θ Now, the formulas for other trigonometry ratios are: • Cot θ = 1/tan θ = Adjacent side/ Side opposite = AB/BC • Sec θ = 1/Cos θ = Hypotenuse / Adjacent side = AC / AB • Cosec θ = 1/Sin θ = Hypotenuse / Side opposite = AC / BC The other side of representation of trigonometric values formulas are: • Tan θ = sin θ/cos θ • Cot θ = cos θ/sin θ • Sin θ = tan θ/sec θ • Cos θ = sin θ/tan θ • Sec θ = tan θ/sin θ • Cosec θ = sec θ/tan θ Also, read: • • • Sin Cos Tan Chart Let us see the table where the values of sin cos tan sec cosec and tan are provided for the important angles 0°, 30°, 45°, 60° and ...

Give the values of angles for cos function. Answer:cos 0° = 1, cos 30° =√3/2, cos 45° = 1/√2, cos 60° = 1/2, cos 90° = 0, cos 120° =-1, cos 150° =-√3/2, cos 180° = -1, cos 270° = 0, cos 360° = 1 We will find the values of angles for cos function. Explanation: in a right triangle , cos θ is given by adjacent side / hypotenuse , where θ is the angle formed between the hypotenuse and the base of a right-angled triangle. the various cosine values based on the angle θ is listed below in the table. θ cos θ 0 cos 0° = 1 30 cos 30° =√3/2 45 cos 45° = 1/√2 60 cos 60° = 1/2 90 cos 90° = 0 120 cos 120° =cos (90 + 30)° = - sin 30° = -1/2 150 cos 150° = cos (90 + 60)° = - sin 60° = -√3/2 180 cos 180° =cos (180 - 0)° = - cos 0° = -1 270 cos 270° = cos( 270 - 0)° = -sin 0° = 0 360 cos 360° =cos( 360+0)° = cos 0° = 1 Thus, the valuesof angles for cos function are :cos 0° = 1, cos 30° =√3/2, cos 45° = 1/√2, cos 60° = 1/2, cos 90° = 0, cos 120° =-1, cos 150° =-√3/2, cos 180° = -1, cos 270° = 0, cos 360° =1

Give the values of angles for cos function. Answer:cos 0° = 1, cos 30° =√3/2, cos 45° = 1/√2, cos 60° = 1/2, cos 90° = 0, cos 120° =-1, cos 150° =-√3/2, cos 180° = -1, cos 270° = 0, cos 360° = 1 We will find the values of angles for cos function. Explanation: in a right triangle , cos θ is given by adjacent side / hypotenuse , where θ is the angle formed between the hypotenuse and the base of a right-angled triangle. the various cosine values based on the angle θ is listed below in the table. θ cos θ 0 cos 0° = 1 30 cos 30° =√3/2 45 cos 45° = 1/√2 60 cos 60° = 1/2 90 cos 90° = 0 120 cos 120° =cos (90 + 30)° = - sin 30° = -1/2 150 cos 150° = cos (90 + 60)° = - sin 60° = -√3/2 180 cos 180° =cos (180 - 0)° = - cos 0° = -1 270 cos 270° = cos( 270 - 0)° = -sin 0° = 0 360 cos 360° =cos( 360+0)° = cos 0° = 1 Thus, the valuesof angles for cos function are :cos 0° = 1, cos 30° =√3/2, cos 45° = 1/√2, cos 60° = 1/2, cos 90° = 0, cos 120° =-1, cos 150° =-√3/2, cos 180° = -1, cos 270° = 0, cos 360° =1

Sin Cos Tan Values In trigonometry, sin cos and tan values are the primary functions we consider while solving trigonometric problems. These When we find sin cos and tan values for a triangle, we usually consider these angles: 0°, 30°, 45°, 60° and 90°. It is easy to memorise the values for these certain angles. The trigonometric values are about the knowledge of standard angles for a given triangle as per the Sin Cos Tan Formula The three ratios, i.e. sine, cosine and tangent have their individual formulas. Suppose, ABC is a right triangle, right-angled at B, as shown in the figure below: Now as per sine, cosine and tangent formulas, we have here: • Sine θ = Opposite side/Hypotenuse = BC/AC • Cos θ = Adjacent side/Hypotenuse = AB/AC • Tan θ = Opposite side/Adjacent side = BC/AB We can see clearly from the above formulas, that: Tan θ = sin θ/cos θ Now, the formulas for other trigonometry ratios are: • Cot θ = 1/tan θ = Adjacent side/ Side opposite = AB/BC • Sec θ = 1/Cos θ = Hypotenuse / Adjacent side = AC / AB • Cosec θ = 1/Sin θ = Hypotenuse / Side opposite = AC / BC The other side of representation of trigonometric values formulas are: • Tan θ = sin θ/cos θ • Cot θ = cos θ/sin θ • Sin θ = tan θ/sec θ • Cos θ = sin θ/tan θ • Sec θ = tan θ/sin θ • Cosec θ = sec θ/tan θ Also, read: • • • Sin Cos Tan Chart Let us see the table where the values of sin cos tan sec cosec and tan are provided for the important angles 0°, 30°, 45°, 60° and ...

2 Equations and Inequalities • Introduction to Equations and Inequalities • 2.1 The Rectangular Coordinate Systems and Graphs • 2.2 Linear Equations in One Variable • 2.3 Models and Applications • 2.4 Complex Numbers • 2.5 Quadratic Equations • 2.6 Other Types of Equations • 2.7 Linear Inequalities and Absolute Value Inequalities • 5 Polynomial and Rational Functions • Introduction to Polynomial and Rational Functions • 5.1 Quadratic Functions • 5.2 Power Functions and Polynomial Functions • 5.3 Graphs of Polynomial Functions • 5.4 Dividing Polynomials • 5.5 Zeros of Polynomial Functions • 5.6 Rational Functions • 5.7 Inverses and Radical Functions • 5.8 Modeling Using Variation • 6 Exponential and Logarithmic Functions • Introduction to Exponential and Logarithmic Functions • 6.1 Exponential Functions • 6.2 Graphs of Exponential Functions • 6.3 Logarithmic Functions • 6.4 Graphs of Logarithmic Functions • 6.5 Logarithmic Properties • 6.6 Exponential and Logarithmic Equations • 6.7 Exponential and Logarithmic Models • 6.8 Fitting Exponential Models to Data • 9 Trigonometric Identities and Equations • Introduction to Trigonometric Identities and Equations • 9.1 Verifying Trigonometric Identities and Using Trigonometric Identities to Simplify Trigonometric Expressions • 9.2 Sum and Difference Identities • 9.3 Double-Angle, Half-Angle, and Reduction Formulas • 9.4 Sum-to-Product and Product-to-Sum Formulas • 9.5 Solving Trigonometric Equations • 10 Further Applications of Tri...

2 Equations and Inequalities • Introduction to Equations and Inequalities • 2.1 The Rectangular Coordinate Systems and Graphs • 2.2 Linear Equations in One Variable • 2.3 Models and Applications • 2.4 Complex Numbers • 2.5 Quadratic Equations • 2.6 Other Types of Equations • 2.7 Linear Inequalities and Absolute Value Inequalities • 5 Polynomial and Rational Functions • Introduction to Polynomial and Rational Functions • 5.1 Quadratic Functions • 5.2 Power Functions and Polynomial Functions • 5.3 Graphs of Polynomial Functions • 5.4 Dividing Polynomials • 5.5 Zeros of Polynomial Functions • 5.6 Rational Functions • 5.7 Inverses and Radical Functions • 5.8 Modeling Using Variation • 6 Exponential and Logarithmic Functions • Introduction to Exponential and Logarithmic Functions • 6.1 Exponential Functions • 6.2 Graphs of Exponential Functions • 6.3 Logarithmic Functions • 6.4 Graphs of Logarithmic Functions • 6.5 Logarithmic Properties • 6.6 Exponential and Logarithmic Equations • 6.7 Exponential and Logarithmic Models • 6.8 Fitting Exponential Models to Data • 9 Trigonometric Identities and Equations • Introduction to Trigonometric Identities and Equations • 9.1 Verifying Trigonometric Identities and Using Trigonometric Identities to Simplify Trigonometric Expressions • 9.2 Sum and Difference Identities • 9.3 Double-Angle, Half-Angle, and Reduction Formulas • 9.4 Sum-to-Product and Product-to-Sum Formulas • 9.5 Solving Trigonometric Equations • 10 Further Applications of Tri...