If 0 degrees greater than or equal to 0 90 degrees and cos = 11/15 what is the value of sin ( 90-0)

asked May 10, 2023 60.9k views

4 votes

by Jase

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2 votes

We have to use the following trigonometric identity

$\sin (90-\theta)=\cos \theta$

Given that

$\cos \theta=(11)/(15)$

We just have to substitute

$\sin (90-\theta)=\cos \theta=(11)/(15)$

Jerther answered May 16, 2023

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