if cos square theta equals to sin 4 theta find theta​

Question

if cos square theta equals to sin 4 theta find theta​

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Abigail 3 weeks 2021-10-04T02:45:31+00:00 1 Answer 0 views 0

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    2021-10-04T02:46:59+00:00

    Answer:

    theta = 15

    bcoz put cos 2theta = sin 4theta

    cos 2theta = cos (90-4theta)

    2theta =90 -4thetA

    6theta =90

    theta = 15 degree

    Step-by-step explanation:

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