Question

1.If A and B are acute angles such that sinA = cosB, then A+B is equal to

30°

45°

60°

90°

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Answer 1

Answer:

90°

Step-by-step explanation:

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Answer 2

Answer:

Given,SinA=CosB, it can be written as

SinA= Sin(90-B)

A=90-B

A+B=90°

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