if sin 8/17, when A is an acute angle,then find the value of cos by using identities​

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if sin 8/17, when A is an acute angle,then find the value of cos by using identities​

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Sophia 1 week 2021-09-14T13:15:28+00:00 1 Answer 0 views 0

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    2021-09-14T13:16:29+00:00

    Answer:

    The value of cos = 15/17

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18:9+8+9*3-7:3-1*13 = ? ( )