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If tanA=1/7 and tanB=1/3 prove that cos2A=sin4B
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Mar 19, 2022
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If tanA=1/7 and tanB=1/3 prove that cos2A=sin4B
Mathematics
high-school
Funkatron
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Answer:
8. 96. 24
sin4B3. = ___. = ___ = cos2A
10 100. 25
9
Ashraf Alshahawy
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Mar 23, 2022
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Ashraf Alshahawy
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