SOLUTION: Suppose -pi/2 < x < 0 and (cos x) = .29 Evaluate (sin X)

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Question 278874: Suppose -pi/2 < x < 0 and (cos x) = .29 Evaluate (sin X)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You know that
%28sin%28x%29%29%5E2%2B%28cos%28x%29%29%5E2=1
%28sin%28x%29%29%5E2%2B%280.29%29%5E2=1
%28sin%28x%29%29%5E2%2B%280.0841%29=1
%28sin%28x%29%29%5E2=0.9159
sin%28x%29=0+%2B-+0.957
Since -pi%2F2+%3C+x+%3C+0, then
sin%28x%29=-0.957