SOLUTION: If x= 10cos theta, use trigonometric subtitution to write sq root of 100-x^2 as a trigonometric function of theta where 0<theta<pi/2 Thank you
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Question 348289: If x= 10cos theta, use trigonometric subtitution to write sq root of 100-x^2 as a trigonometric function of theta where 0
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
so
so
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which is valid for the first quadrant, i.e. 
John
My calculator said it, I believe it, that settles it
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