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OpenStudy (anonymous):
Prove: tan2 θ•cos2 θ + cos2 θ = 1. You must show all work.
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OpenStudy (loser66):
just replace tan^2 = sin^2/cos^2 and ... done
OpenStudy (anonymous):
I think you have to simplify further than that.
OpenStudy (anonymous):
@Loser66
OpenStudy (loser66):
1=1, how can it be simpler?
OpenStudy (anonymous):
Wouldn't it just be (sin^2/cos^2)*cos^2 + cos^2 = 1 ????
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OpenStudy (anonymous):
Like can't it be simplified further?
OpenStudy (loser66):
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