(2-cos^2A)(1+2cot^2A)=(2+Cot^2A)(2-sin^2A)​

Question

(2-cos^2A)(1+2cot^2A)=(2+Cot^2A)(2-sin^2A)​

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Gerda 3 years 2021-08-14T04:32:32+00:00 1 Answers 15 views 0

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  1. Adela
    0
    2021-08-14T04:34:17+00:00
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    Answer:

    2 sin (2A) cos (2A)^4 + 2cos (2A)

    —————————————————

                     sin (2A)

    Step-by-step explanation:

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