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Expressing cos^2x in terms of cos2x

Expressing cos^2x in terms of cos2x
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3 votes
Expressing cos^2x in terms of cos2x

asked
User Beck Yang
by
9.2k points

1 Answer

4 votes
Rearrange
2sin^2x = 1-Cos2x

Divide by 2 to isolate for sin^2x
sin^2x = (1-Cos2x)/2
answered
User Blue Ice
by
8.4k points
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