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math

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how do you find the reference angle of csc,sec, cot?

for example: csc theta= 2 times square root of 3 / 2

  • math - ,

    Use a hand calculator or a table of trig function values.
    If csc theta = 2 sqrt(3/2) = sqrt 6 = 2.44949.., then sin theta = 0.40825
    theta = arcsin 0.40825 = 24.095 degrees

    I used the "arcsin" or sin^-1 function on my HP hand calculator for the last step. I also used the "sqrt" function earlier.

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