If sin = √5 3 , then find the value of Cos 2x.​

Question

If sin =

√5

3

, then find the value of Cos 2x.​

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Ariana 1 week 2021-09-11T12:24:49+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-09-11T12:26:19+00:00

    here ,sin=3√5,

    cos2x=cos(√2x)^2

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