Math, asked by saweenashahi, 11 months ago

Cos A=sin 2A solve it

Answers

Answered by sparshraghav123

1

Step-by-step explanation:

sin (90-A) = sin 2A

90 - A = 2A

A = 30

Thank you

Answered by lakshayjain1701lj

1

Answer:

cos A= sin2A

cos A=COS(90-2A)

A=90-2A

a=30

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