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Trigonometry
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OpenStudy (anonymous):
Will fan and give medal, I'm stuck.Q is the base of a vertical tower PQ, while R and S are two points in the same horizontal plane as Q. The angle of elevation of P, as measured from K. is x. angle RQS=y , QS= a meters and the area of triangle RQS= A m^2. Prove that PQ=2A/asiny*cot x.
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OpenStudy (anonymous):
The drawing looks like these |dw:1410194721514:dw|
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