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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)

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    Solution Summary

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