Double-Angle and Half-Angle Identities

Question 1

Find the exact value of .a.c.b.d.

Question 2

Find the exact value of sin 105°. a. b. c. d. Please select the best answer from the choices provided

Question 3

Assume that and . Find the exact value of if and . a.c.b.d.

Question 4

Find the exact value of .a.c.b.d.

Question 5

Find the exact value of .a.c.b.d.

Question 6

Find the exact value of cos 15°.a.b.c.d.

Question 7

Assume that and . Find the exact value of if and . a.c.b.d.

Revolt · Accepted Answer

D: D

Question 8

Find the exact value of .a.c.b.d.

Revolt · Accepted Answer

C: C

Question 9

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q?a.sin (a -b) = sin a cos b – cos a sin bb.cos (a -b) = cos a cos b – sin a sin bc.cos (a -b) = cos a cosb + sin a sin bd.sin (a + b) = sin a cos b + cos a sin b

Question 10

Find the exact value of .a.c.b.d.

Double-Angle and Half-Angle Identities Answers

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