Question

sinA=cos Bbthen A+B=​

Answer 1

Answer:

Answer:

Value of A+B=90°

Step-by-step 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°

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Step-by-step explanation:

Answer 2

Answer:

Given :

• sin A = cos B

To find :

• A + B

Solution :

• sin A = cos ( 90 - A )

➡ sinA = cosB

➡ cos ( 90 - A ) = cos B

➡ 90 - A = B

➡ 90 = B + A

Hence, A + B = 90