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11-08-2021
Mathematics

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

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omandamjohnaldred omandamjohnaldred

11-08-2021

Answer:

{4 |8}. 96. 24

sin4B{3. |9}= ___. = ___ = cos2A

{10|10} 100. 25

{9 |9}

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