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Math Help - trigo qns

  1. #1
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    trigo qns

    given that tan(x+60deg.)=2, find the rationalized value of cotx.
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  2. #2
    Member maybeline9216's Avatar
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    Quote Originally Posted by domybest View Post
    given that tan(x+60deg.)=2, find the rationalized value of cotx.
    Are you Queenie??

    Anyway...a tip: tan 60 degrees = square root(sqr)3

    And also make use of tan(A+B) formula
    Somewhere in the middle, you need to conjugate the surds...
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