owenwang owenwang

12-06-2020
Mathematics

contestada

If sinA = cosB, then which of the following must be a true statement?

A. A= B = 90°

B. A+B = 90°

C. A=B

Respuesta :

SvetkaChem SvetkaChem

12-06-2020

Answer:

C. A=B

Step-by-step explanation:

sin 45° = cos 45°

√2/2 = √2/2

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