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    Trigonometric Identities and Cofunctions of Complementary Angles

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    Find sin s

    Cot s = -1 / 3, s in quadrant IV

    Verify each trigoometric equation is an identity

    Write each function value in terms of the cofunction of a complementary angle.

    Find an angle Θ that makes each statement true

    Find cos(s+t) and cos(s-t)

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    Find sin s
    (1) Cot s = -1 / 3, s in quadrant IV

    Since s is in quadrant IV, then



    Solution Summary

    Trigonometric Identities and Co-functions of Complementary Angles are investigated. The solution is detailed and well presented.