Math, asked by satpalsk1409, 1 year ago

For toppers only solve it

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Answered by rattans792

2

Hey mate here's your answer..

18°is the answer

Mark as BRAINLIST plz..❣

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Answered by theprakhar21

1

Given- sinA = cos4A. eq 1

sinA=cos(90-A)

put above eq in eq 1

cos(90-A)=cos(4A)

on comparing

90-A=4A

90=5A

A=18

comment if any doubts

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