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7 June, 12:56

select one or more expressions that together represents all solutions to the equation. your answer should be in radians, assume n is any other integer. cos (x) = 0.15

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  1. 7 June, 13:09
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    x = 2πn + 1.4202.

    x = 2πn - 1.4202.

    Step-by-step explanation:

    The angle in the first quadrant (where n < π / 2)

    whose cos is 0.15

    = 1.4202 radians

    - the other solutions will 2πn + / - this value.

    All solutions:

    x = 2πn + 1.4202

    x = 2πn - 1.4202.
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