emilyfraley6 emilyfraley6

18-02-2021
Mathematics

contestada

In a right triangle ABC, C is the right angle. What does sinB equal?

A)

cos (90°-B)

B)

sin (90°-B)

C)

cos B

D)

Both A and C are correct

Respuesta :

sqdancefan sqdancefan

19-02-2021

9514 1404 393

Answer:

A) cos (90°-B)

Step-by-step explanation:

The sine of an angle is equal to the cosine of its complement.

sin(B) = cos(90° -B)

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