Question

If sin A =cos A-60° then find the value of A

Answer 1

Answer:

Here is your solution...

Answer 2

Answer:

by using identity that:-

sinA= cos(90°-A)

given

sinA = cos(A-60°)

cos(90°-A) =cos ( A-60°)

90°-A =A-60°

90°+60°=A+A

150°=2A

A=150°/2

A=75°

~~~I hope it may help you ~~~