Question 846044
Which expression is equivalent to sin^2(pi/2 - x)/ sin x?
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Note:
sin(pi/2 -x) = cos(x)
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Your Problem:
sin^2[(pi/2 - x)/sin(x)] 
= cos^2(x)/sin(x) 
= [cos/sin]cos 
= cot(x)*cos(x)
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Note: There are other options depending on
what you do with cos^2(x)/sin(x).
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Cheers,
Stan H.
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