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3 votes
PLEASE HELP!!!
Which expression is equivalent to 4sin^2(x) - 8sin^2(x/2)

2 Answers

5 votes

Answer:

4(sin^2(x) -2sin^2(x/2))

Explanation:

Matter of factorising

User Jim Carr
by
8.1k points
1 vote

Answer:

It is 4(cos(x)-cos^2(x))

Explanation:

I used an app on chegg and found that this is the only answer that is equivalent

User JBallin
by
7.4k points
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