Question

If sin A = 1/2 and cos B = 1/2, then A + B = ? (A) 0 degree (B) 30 degree (C) 60 degree (D) 90 degree​

Answer 1

Answer:

(D) 90degree

Step-by-step explanation:

We know that,

SinA=1/2 So, TanA=1/√3, then A=30^°

And, CosA=1/2 So, TanB=√3,then B=60^°

So, A+B=90^°