Question

if sin2A=cos30° and A is acute then what is the value of A?​

Answer 1

A= 30°

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Answer 2

Answer:

sin 2A=cos 30°

Step-by-step explanation:

sin 2A can be written as cos (90-2A)

cos (90-2A)=cos 30°

90-2A=30 ( cancellation of cos on both sides)

90-30=2A

60=2A

A=60/2

A=30

I hope it's correct

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