Question

if sin alpha = 1/root 2 and cos beta = 1/root 2 then find value of alpha + beta
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Answer 1

Answer:

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Step-by-step explanation:

sin alpha = 1/root 2

Therefore alpha = 45

Tan B = 1

Therefore B = 45

Now alpha = B = 45

Sin (alpha+B) = ?

Sin (45+45) = sin 90 = 1