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OpenStudy (anonymous):
The length of the hypotenuse of a right triangle is 10cm. One of the acute angles is decreasing ar the rate of pi/36. How fast is the area decreasing when this angle is pi/6?
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OpenStudy (anonymous):
A= 1/2(10cosx)(10sinx)
OpenStudy (anonymous):
=50cosxsinx =25sin2x then I'm not sure what to do next.
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