SOLUTION: if sin x= 8/17, where 0 degree < x < 90 degree, determne the exact vaule of cos (x + 180)

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Question 53883: if sin x= 8/17, where 0 degree < x < 90 degree, determne the exact vaule of cos (x + 180)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
if sin x= 8/17, where 0 degree < x < 90 degree, determne the exact vaule of cos (x + 180)
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cos(x+180)=-cosx
If sinx = 8/17 , cos x = 15/17
So cos(x+180)=-15/17
cheers,
Stan H.