Question

Sin A =1/2 and cosB=1/2 then value of A +B is -------

Answer 1

Answer:

Answer is 90

Step-by-step explanation:

We khow that sin 30 = 1/2

So

Sin A = Sin 30

On cancelling sin

A = 30

And

Cos B = Cos 60 ( Cos 60 = 1/2)

On cancelling cos

B = 60

Now,

A+B = 30 + 60 = 90

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