Question

Sin A+Cos B=1, A=30° and B is an acute angle, then find the value of B.

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Answer 1

Answer:

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Answer 2

$\bold\purple{ANSWER}$

Sin 30˚ + Cos B = 1 \(\frac{1}{2}\)+ Cos B = 1 Cos B = \(\frac{1}{2}\) B = 60˚

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