If 180º\ \textless \ a\ \textless \ 270º and cos a= -8/17 what is sin(−α)? Enter your answer as a fraction in simplest form, like this: 3/14

asked Apr 13, 2021 67.7k views

3 votes

$If 180º\ \textless \ a\ \textless \ 270º$ and
cos a= -8/17

what is sin(−α)?

Enter your answer as a fraction in simplest form, like this: 3/14

$If 180º\ \textless \ a\ \textless \ 270º and cos a= -8/17 what is sin(−α)? Enter your-example-1$

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4 votes

Answer:

(15)/(17)

Explanation:

Look at the photo below for the details.

$If 180º\ \textless \ a\ \textless \ 270º and cos a= -8/17 what is sin(−α)? Enter your-example-1$

Jirinovo answered Apr 18, 2021

5.5k points

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