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OpenStudy (anonymous):
Find the exact value of sin(tan^-1((-12/5)))
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OpenStudy (mertsj):
The domain of the inverse tangent is -90 to 90 so this is a 4th quadrant angle. |dw:1387157226426:dw|
OpenStudy (mertsj):
Find the sin of that angle. Remember: sin is like y and therefore is negative in Quadrant IV
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