Which is equal to sin 90°? a. tan 90 degrees b. cos 90 degrees c. sin 0 degrees D. cos 0°

asked Oct 14, 2021 122k views

4 votes

Which is equal to sin 90°?

a. tan 90 degrees
b. cos 90 degrees
c. sin 0 degrees
D. cos 0°

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4 votes

Answer:

D. cos 0°

Explanation:

$\because \: \cos \: 0 \degree = 1 \\ and \: \sin 90 \degree = 1 \\ \\ \therefore \: \cos \: 0 \degree =\sin 90 \degree$

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