AnswersPrecalculusSolving Trigonometric Equations — Cumulative examQuestion 1
1
RCMultiple Choice

Solving Trigonometric Equations — Cumulative exam

Question 1 • Precalculus

What is the value of 1 − 2sin2(105°)?

Answer
A
Negative StartFraction StartRoot 3 EndRoot Over 2 EndFraction
Option A
B
Negative one-half
Option B
C
One-half
Option C
D
StartFraction StartRoot 3 EndRoot Over 2 EndFraction
Option D
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What is the value of 1 − 2sin2(105°)?