Question

if A and B are acute angles and sin A = sin B , prove that A+B= 90°​

Answer 1

Answer:

Answer:

Value of A+B=90°

Explanation:

Given A and B are acute angles.

and  

SinA = CosB  

=> Sin A = Sin(90-B)

=> A = 90°-B

=> A+B = 90°

Therefore,

Value of (A+B) = 90°

Step-by-step explanation: