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2 August, 09:00

If sin θ = 0.55 what is the value of cos θ? How do I solve this?

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  1. 2 August, 09:10
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    0.55^2 + cos^2 = 1

    cos^2 = 1 - 0.55^2

    cos^2 = 1 - 0.3025

    cos^2 = 0.6975

    cos = 0.8351
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