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Math Help - Sec, Cosec, Cot

  1. #1
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    Sec, Cosec, Cot

    how to calculate the following value?
    Cosec 30
    cot 60
    sec 310
    cosec 120
    cot 600
    and -cot 130
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  2. #2
    Super Member wingless's Avatar
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    \tan x = \frac{\sin x}{\cos x}

    \cot x = \frac{\cos x}{\sin x}

    \csc x = \frac{1}{\sin x}

    \sec x = \frac{1}{\cos x}
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  3. #3
    Newbie nandu11's Avatar
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    u need to know the simple sin, cos and tan trigo ratios for 0, 30, 45, 60 and 90 to do these types of questions and then use the formulas like cosecx=1/sinx, cotx=cosx/sinx etcc
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