Question

Given that sinA = 1/2 and cosB = 1/2 ,then the value of (A+B) is

Answer 1

Answer:

Sin A = 1/ 2 , As we know Sin 30° is 1/2

So ,

A = 30°

& Sin B = 1/ 2 , As we also know this Sin 60° = 1/ 2

So ,

B = 60°

Now , A/Q : -

( A + B ) = 30° + 60° = 90°