1. 3tg*2x - √3 = 0 2. 2cos (П/2 - x) =√2 3. (1+sin x) (1+cos x) = 1+sin x + cos x 4. cos...

Question

1. 3tg*2x - √3 = 0 2. 2cos (П/2 - x) =√2 3. (1+sin x) (1+cos x) = 1+sin x + cos x 4. cos 2x + 9cos x +4=0 5. sin 2x + 2cos x=sinx+1 6. 5sin^2 x-cos^2 x=sin 2x 7. 3cos x+2tg x=0

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Answer 1

Вот всё что смогла......

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