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    Trig functions without a calculator

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    Without using a calculator, find cot[arcsin(-5/13)].

    © BrainMass Inc. brainmass.com February 24, 2021, 2:08 pm ad1c9bdddf

    Solution Preview

    Sin of an angle = opposite side / hypotenuse of a right triangle.
    (-5/13) indicates that the right triangle is in the third quadrant.
    with opposite ...

    Solution Summary

    This shows how to find the value of a trigonometric function without a calculator.