Math, asked by jiousdas, 1 year ago

PLZ HELP ME TO SOLVE THIS PROBLEM

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Answered by rani1928

4

Hey mate here is your answer..

Sin 3A=cos 2A

Cos (90°-3A)= Cos 2A

90°-3A=2A

5A=90°

A=90°/5

hence,A=18° .....ans.

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