Find the exact value of the trigonometric function. cos( 2pi/35 )

Question

Find the exact value of the trigonometric function.
cos( 2pi/35 )

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Nho 3 years 2021-07-29T16:47:37+00:00 1 Answers 10 views 0

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  1. minhkhang
    0
    2021-07-29T16:48:51+00:00
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    cos(\frac{2\\pi }{35} )\\≈0.98392958…

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )