# Worksheet: Simplifying Trigonometric Expressions Using Trigonometric Identities

In this worksheet, we will practice simplifying trigonometric expressions by applying trigonometric identities.

Q1:

Simplify .

• A
• B
• C
• D1

Q2:

Simplify .

• A
• B
• C
• D

Q3:

Simplify .

• A
• B
• C
• D

Q4:

Simplify .

• A
• B
• C
• D

Q5:

Simplify .

• A
• B
• C
• D

Q6:

Simplify .

• A
• B
• C
• D1

Q7:

Simplify .

• A
• B
• C1
• D

Q8:

Simplify .

• A
• B
• C
• D

Q9:

Find the value of given where .

• A
• B
• C
• D

Q10:

Find the possible values of given that .

• A
• B
• C
• D

Q11:

Find the value of given .

Q12:

Simplify .

• A
• B
• C
• D

Q13:

Simplify .

• A
• B
• C
• D

Q14:

Simplify .

• A
• B
• C
• D

Q15:

Simplify .

• A
• B
• C
• D

Q16:

Which of the following three identities are true?

• A
• B
• C
• D
• E

Q17:

Which of the following is equivalent to ?

• A
• B
• C
• D
• E

Q18:

Which of the following expressions is equivalent to ?

• A
• B
• C
• D
• E

Q19:

Is an identity or an equation?

• Aan equation
• Ban identity

Q20:

Which of the following is not a trigonometric identity?

• A
• B

Q21:

Which of the following expressions is equivalent to ?

• A
• B
• C
• D
• E

Q22:

Which of the following expressions is equal to ?

• A
• B
• C
• D
• E

Q23:

Which of the following is a trigonometric identity?

• A
• B

Q24:

Simplify .

• A
• B
• C1
• D

Q25:

Simplify .