Math, asked by mohiuddinmolla3456, 8 months ago

If sin3A=cos3A what is the value of A?

Answers

Answered by ramm2027

8

Step-by-step explanation:

Sin3A=Cos3A

Cos(90-3A)=Cos3A

90-3A=3A

90=3A+3A

90=6A

90/6=A

A=15 answer

Answered by TheLostMonk

2

Explanation:

if sinA = cosB then A + B = 90°

3A+3A = 90° => 6A = 90°

A = 15°

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