Math, asked by meertyKumatass, 1 year ago

if sin 3A =cos(A-26 degree) where 3a is an acute angles'find the value of A

Answers

Answered by abhi178

7

sin3A=cos (A-26)

cos (90-3A)=cos (A-26)

90-3A=A-26

116=4A

A=116/4=29 degree

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