Images COS2X TG

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Cos2x tg. 4sin2x cos3x 2sin5x tg2x. 2sin x2 = 0.5. Sin x/2 + cos x/2 + sin x/2 * cos x/2 = 1. Cos5x+sin3x 0.
4sin2x cos3x 2sin5x tg2x. 2sin x2 = 0.5. Sin x/2 + cos x/2 + sin x/2 * cos x/2 = 1. Cos5x+sin3x 0.

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