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10 September, 22:57

Csc^2x - 5 csc x = 0

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  1. 10 September, 23:14
    0
    x ≈ 11.5° or 168.5°

    Step-by-step explanation:

    csc² x - 5 csc x = 0

    Factor:

    csc x (csc x - 5) = 0

    Set each factor to 0 and solve:

    csc x = 0

    sin x = undefined

    no solution

    csc x - 5 = 0

    csc x = 5

    sin x = 1/5

    x = arcsin (1/5)

    x ≈ 11.5° or 168.5°
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