Question

Given that sin A= 12 and cos B= 12 then the value of (A + B)​

Answer 1

Correct option is

C

90

∘

sinA=

2

1

,cosB=

2

1

⇒sinA=sin30°,cosB=cos60°

⇒A=30°,B=60°

∴A+B=30°+60°=90°

Hence, the answer is 90°.

Answer 2

Answer:

-,- refer to the attachment