5SINX23(1SINX)TG2X. 4/ 1 + SINX + COSX +SIN2X + COS2X = 0.  ...

3/ 5sinx23(1sinx)tg

²

x. 4/ 1 + sinx + cosx +sin2x + cos2x = 0.   gx 6/ 2sin

²

2x + sin7x - 1 = sinx. x xtgxtgcot sin