If tanA=1/7 and tanB=1/3 prove that cos2A=sin4B

Adam Hupp asked Oct 24, 2022

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Adam Hupp asked Oct 24, 2022

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10 votes

Answer:

4 . 96. 24

sin4B9= ___. = ___ = cos2A

10 100. 25

Alex Kuhl answered Oct 29, 2022

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