What is the formula for $$\tan^2x$$ in terms of sine and cosine?

The formula is $$\tan^2x = \frac{\text{sin}^2x}{\text{cos}^2x}$$ .

How do you verify trigonometric identities?

To verify trigonometric identities, simplify both sides of the equation to see if they are equal.

What is the first step in simplifying $$\frac{\text{sec}^2x - 1}{\text{sec}^2x}$$ ?

The first step is to use the Pythagorean Identity: $$\text{sec}^2x - 1 = \tan^2x$$ .

What is the formula for the sine of an angle in a right triangle?

The sine of an angle is defined as: $$\text{sin}x = \frac{\text{opposite}}{\text{hypotenuse}}$$ .

What does it mean to factor a common factor in trigonometric expressions?

Factoring a common factor means to extract the greatest common factor from the terms in the expression.

What is the formula for cosine in terms of sine?

The cosine function can be expressed as: $$\text{cos}x = \text{sqrt}(1 - \text{sin}^2x)$$ .

What is the purpose of separating fractions in trigonometric expressions?

Separating fractions can help simplify the expression and make it easier to work with.

What is the relationship between cotangent and tangent?

The cotangent function is the reciprocal of the tangent function: $$\text{cot}x = \frac{1}{\tan x}$$ .

What is the first strategy to simplify the right side of a trigonometric equation?

Using a Pythagorean Identity is often the first strategy to simplify the right side of a trigonometric equation.

Practice Trig Identities Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is a Pythagorean Identity?

Back

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever

or continue with

Microsoft

Apple

Others

Already have an account?

Similar Resources on Wayground

12 questions

Fun Brain Riddles and Teasers Flashcard

Flashcard

•

8th Grade

9 questions

Evolution and Genetic Variation

Flashcard

•

8th Grade

10 questions

Mastering Linear Equations

Flashcard

•

9th Grade

17 questions

Westward Expansion Review

Flashcard

•

9th Grade

11 questions

Identify Parts of an Algebraic Expression and Evaluate

Flashcard

•

9th Grade

12 questions

Data Transmission

Flashcard

•

9th Grade

10 questions

Contestability in History

Flashcard

•

8th Grade

12 questions

تمييز العدد 1

Flashcard

•

8th Grade

Popular Resources on Wayground

5 questions

This is not a...winter edition (Drawing game)

Quiz

•

1st - 5th Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

10 questions

Identify Iconic Christmas Movie Scenes

Interactive video

•

6th - 10th Grade

20 questions

Christmas Trivia

Quiz

•

6th - 8th Grade

18 questions

Kids Christmas Trivia

Quiz

•

KG - 5th Grade

11 questions

How well do you know your Christmas Characters?

Lesson

•

3rd Grade

14 questions

Christmas Trivia

Quiz

•

5th Grade

20 questions

How the Grinch Stole Christmas

Quiz

•

5th Grade

Discover more resources for Mathematics

10 questions

Identify Iconic Christmas Movie Scenes

Interactive video

•

6th - 10th Grade

33 questions

Algebra 1 Semester 1 Final 2025

Quiz

•

8th - 10th Grade

10 questions

Exploring Global Holiday Traditions

Interactive video

•

6th - 10th Grade

10 questions

Guess the Christmas Movie by the Scene Challenge

Interactive video

•

6th - 10th Grade

10 questions

Guess the Christmas Songs Challenge

Interactive video

•

6th - 10th Grade

20 questions

Function or Not a Function

Quiz

•

8th - 9th Grade

10 questions

Test Your Christmas Trivia Skills

Interactive video

•

6th - 10th Grade

15 questions

Holiday Trivia!

Quiz

•

9th Grade