25
RCMultiple Choice
Unit Test — Cumulative exam
Question 25 • TX-Precalculus A
For , which expression is equivalent to ?
Answer
A
StartFraction 1 Over StartRoot 2 (1 + cosine x) EndRoot EndFraction
B
StartFraction 1 Over StartRoot 2 (1 minus cosine x) EndRoot EndFraction
C
(StartRoot StartFraction 1 + cosine (x) Over 2 EndFraction EndRoot) (StartFraction 1 Over 1 minus cosine (x) EndFraction)
D
(StartFraction 1 + cosine (x) Over StartRoot 2 (1 minus cosine x) EndRoot EndFraction) (StartFraction 1 Over 1 minus cosine (x) EndFraction)