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Math Help - Trig

  1. #1
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    Trig

    Use sum or difference identities to find the exact value of each trigonometric function.

    tan pi/12.
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  2. #2
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    Quote Originally Posted by acherucheril View Post
    Use sum or difference identities to find the exact value of each trigonometric function.

    tan pi/12.
    tan(π/12) = tan(π/3 - π/4)
    Now expand.
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