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27 January, 04:19

What angle is an x-intercept for the function y = cos (.5x)

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  1. 27 January, 07:23
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    X-intercept appears at when y = 0

    So when cos (0.5x) = 0 - > 0.5x = pi/2 + n*pi, where n is any random integers

    So x = pi + 2npi, so the angle can be pi, 3pi, 5pi, so on
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