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    Inverse Circular Functions and Trigonometric Equations

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    1. Solve csc^2θ - 2 cot θ = 4 for solutions over the interval [0°, 360°]. Express approximate solutions to the nearest tenth of a degree. Could you please show me step by step to see how to get the correct answer? The correct answers are (18.4°, 135°, 198.4°, 315°)

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    https://brainmass.com/math/trigonometry/inverse-circular-functions-trigonometric-equations-29489

    Solution Preview

    cosec^2(θ) - 2 cot(θ) = 4
    => 1 + cot^2(θ) - 2cot(θ) = 4
    => cot^2(θ) - 2cot(θ) - 3 = 0
    => cot^2(θ) - 3cot(θ) + ...

    Solution Summary

    This shows how to solve a trigonometric equation over a given interval.

    $2.49

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