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6 December, 13:24

Find cos x if sin x = 0.82.

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  1. 6 December, 14:12
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    cosx = 35. Use Trignometrical identity cosx = √1-sin2x. cos x = √1-1625 = √925 = 35 to be the ...

    Missing: = 0.82 ‎| Must include: = 0.82
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