Mathematics, 19.09.2020 01:01 wypozworski

Find the solution of the trigonometric equation 3sin2x+8cos^2x=7 at interval 0⁰ ≤ x ≤ 360⁰

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Find the solution of the trigonometric equation 3sin2x+8cos^2x=7 at interval 0⁰ ≤ x ≤ 360⁰...

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