1) 2cos^2x - 1 - sinx = 0 2) 2sin^2x - 1 + cosx = 0 3) 2cos^2x - 1 + sinx = 0 4) cos2x -...

Question

1) 2cos^2x - 1 - sinx = 0

2) 2sin^2x - 1 + cosx = 0

3) 2cos^2x - 1 + sinx = 0

4) cos2x - cosx = 0

5) sinx + cosx + sin3x = 0

6) 2sin^2x - 5sinxcosx + 5cos^2x = 1

7) sqrt3cosx - sinx = 0

8) sqrt3cosx - sinx = 1

9) sin^2x + cos^2 2x + sin^2 3x = 3/2

Answer 1

Решение смотрите на фотографии

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