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Thread: Trig

  1. April 18th 2010, 08:22 PM #1
    acherucheril
    acherucheril is offline
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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. April 18th 2010, 08:37 PM #2
    sa-ri-ga-ma
    sa-ri-ga-ma is offline
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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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