# Worksheet: Trigonometric Identities

Q1:

For any , what is ?

• A
• B
• C
• D
• E

Q2:

Knowing that and that , find .

• A
• B
• C
• D
• E

Q3:

For any , what is ?

• A
• B
• C
• D
• E

Q4:

Find the value of given where .

• A
• B
• C
• D

Q5:

Find the value of .

Q6:

Consider point on the unit circle that represents angle , where . Additional points on the unit circle are , and . is a point with coordinates and a point with coordinates .

Which of the following is NOT true?

• A
• B
• C ,
• D
• E

Which of the following is NOT true?

• A
• BThere are 4 triangles in the figure that are congruent to .
• C
• D
• EThere are 4 triangles in the figure that are congruent to .

Over which interval is true?

• A
• B
• CIt is always true.
• D
• E

Q7:

Knowing that and that , find .

• A
• B
• C
• D
• E

Q8:

Knowing that and , find .

• A
• B
• C
• D
• E

Q9:

Find the value of given .

• A
• B
• C
• D

Q10:

Knowing that and , find .

• A
• B
• C
• D
• E

Q11:

Find the value of , given where and where .

• A 1
• B
• C
• D

Q12:

Find the value of given .

• A
• B
• C
• D

Q13:

Find the value of given and .

• A
• B
• C
• D

Q14:

Find given where .

Q15:

Find the value of given .

Q16:

Find the value of given where .

• A
• B
• C
• D

Q17:

Find, without using a calculator, the value of given where .

• A
• B
• C
• D

Q18:

Simplify .

• A
• B
• C
• D

Q19:

Find the value of given .

• A
• B 2
• C 1
• D 4

Q20:

Find given .

• A
• B
• C
• D