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    Finding Values of Trigonometric Expressions

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    Find the value of Trigonometric expression.
    1) Cos [Sin^-1 (3/5)]
    2) Cos [Tan^-1 (7/5)]

    See attached file for full problem description.

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    https://brainmass.com/math/trigonometry/finding-values-trigonometric-expressions-91415

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    Solution Preview

    Cos [Sin^-1 (3/5)] = 4/5
    Cos [Tan^-1 (7/5)]= 6(sq.rt.85)/85

    Please see the attached file.

    Use sketch to find the exact value of the following Trigonometric expressions.
    1) 2)

    SOLUTIONS
    1)

    Step by step solution :

    Let ...

    Solution Summary

    Detailed step by step solutions of all the problems attached are given in such a way that student can easily understand and work out other problems of the same type independently.

    The types of Trigonometric Expressions solved are Cos [Sin^-1 (3/5)] Cos [Tan^-1 (7/5)], etc.

    $2.49

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