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Suppose that costheta=-1/2 and theta is ...

Suppose that `costheta=-1/2` and `theta` is in the 2nd quadrant prove that `(4tantheta+4sintheta)/(3costheta-3sintheta)=(4sqrt3)/(3(1+sqrt3))`

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A N EXCEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-QUESTION BANK
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