Question

If sin A=1/2 and cos B=1/2 then A+B=?

Answer 1

Step-by-step explanation:

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Answer 2

sin A =1/2 => sin30°=1/2

cos B =1/2 => cos60° =1/2

A=30°

B=60°

∴ A+B=30°+60°=90°