## Trigonometric Functions Video Lessons (36 video lessons)

Watch simple explanations of Trigonometric Functions and related concepts.

What is the Period of a Cosine Function? | Period of a Cos Graph

How to Find the Period of Sine Functions

How to Find the Vertical Shift of a Trig Function

How to Find the Frequency of a Trig Function

How to Find Amplitude of a Sine Function | Sine Formula & Wave

How to Find the Period of a Trig Function

How to Graph Trigonometric Functions

How to Graph 1-cos(x)

Graphing Tangent from the Unit Circle

How to Graph cos(x)

## Trigonometric Functions Questions and Answers (7,479 questions and answers)

Test your understanding with practice problems and step-by-step solutions.

A Ferris Wheel has a diameter of 60 meters. The center of the Wheel is 34 meters above the ground. It takes 4 minutes to make one complete rotation. If passengers get on at the bottom of the Ferris

Verify that the equation is an identity. \cot x \left \cot (-x) + \tan (-x) \right = - \csc^2 x

Find the exact value of the expression. Do not use a calculator. 2\cos \frac{\pi}{6} - 3\tan \frac{\pi}{3}\\2\cos \frac{\pi}{6} - 3\tan \frac{\pi}{3} = \square

Use the information given about the angle \theta, \cos \theta = - \dfrac{\sqrt{7}}{3},\ \dfrac{\pi}{2} \lt \theta \lt \pi, to find the exact values of the following. \\ A.\ \sin \theta\\ B.\ \sin(

Verify that the equation is an identity. \dfrac {\sec x}{\tan x} - \dfrac {\tan x}{\sec x} = \cos x \cot x

Let \theta be an angle in quadrant III such that \sin(\theta)= -\dfrac{3}{5}. Find the exact values of \sec(\theta) and \cot(t\heta).

Find csc(\theta), given that cos(\theta)=\frac{4}{7} and \theta is in Quadrant I.

Find the exact values of sin, tan, and cos of 7pi/12.

How do you factor the expression and use the fundamental identities to simplify csc^3(x) - csc^2(x) - csc(x) + 1?

f(\theta) = sin \theta and g(\theta) = cos \theta. Find the exact value of the expressions below if \theta = 60^{\circ}. a. f(\theta) b.(f(\theta))^{2} c. \frac{g(\theta)}{2} d. 6g{\theta}

## Trigonometric Functions Quizzes (47 quizzes)

Check your mastery of this concept by taking a short quiz.

How to Graph the Tangent Function

Periodic Functions

Circular Trigonometric Functions Practice Problems

Negative Angle Identities

Finding the Amplitude of Sine Functions

Finding the Period of Sine Functions

Finding the Period of Cos Functions

Finding the Frequency of a Trig Function

Finding the Vertical Shift of a Trig Function

Finding the Period of a Trig Function

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