Double-Angle and Half-Angle Identities

Question 1

Use a half-angle identity to find the exact value of .a.c.b.d.

Revolt · Accepted Answer

C: C

Question 2

Given and ; find .a.c.b.d.

Revolt · Accepted Answer

D: D

Question 3

Which double-angle or half-angle identity would you use to verify that ?a.c.b.d.

Revolt · Accepted Answer

D: D

Question 4

If and q terminates in the first quadrant, find the exact value of cos 2q.a.b.c.d.

Revolt · Accepted Answer

D: D

Question 5

Use a half-angle identity to find the exact value of .a.c.b.d.

Revolt · Accepted Answer

B: B

Question 6

Use a half-angle identity to find the exact value of .a.c.b.d.

Revolt · Accepted Answer

A: A

Question 7

Use a half-angle identity to find the exact value of .a.c.b.d.

Revolt · Accepted Answer

A: A

Question 8

Given and ; find .a.c.b.d.

Revolt · Accepted Answer

B: B

Question 9

Use a half-angle identity to find the exact value of tan 105°.a.c.b.d.

Revolt · Accepted Answer

A: A

Question 10

Given and ; find .a.c.b.d.

Revolt · Accepted Answer

C: C

Double-Angle and Half-Angle Identities Answers