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y=2cot2x

  1. y=2cot2x
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    2. Ginger asked by Ginger
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  2. Prove the following functions:(sinx+sin2x)/(1+cosx+cos2x)=tan x (cos3x/sinx)+(sin3x/cosx)=2cot2x tan2x=(2/cotx-tanx) theses are
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    2. jared asked by jared
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