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    Trigonometry Finding Exact Values

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    1. Find the exact value of the following expressions given that sec(x) = 3/2, csc(y) = 3 and x and y are in quadrant I.
    a) cost(x - y)
    b) sin(2y)
    c) tan(y/2)

    2. Write the following expressions in terms of sin only:
    a) sin(x) + cos(x)
    b) 3sin(pi*x) + 3*sqrt(3)*cos(pi*x)

    © BrainMass Inc. brainmass.com October 10, 2019, 5:32 am ad1c9bdddf
    https://brainmass.com/math/trigonometry/trigonometry-finding-exact-values-508918

    Solution Summary

    This solution shows how to find the exact values of trigonometric functions.

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