Photos SIN2X COS2X

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Sin2x cos2x. Sin 2/3. 8 Cos x + sin x= 3sin 2x+8. Sin * cos п/8 + cos x * sin п/8=1. Sin^2x/8+4cos^x/8sin^x/8+3cos^2x/8=0.
Sin 2/3. 8 Cos x + sin x= 3sin 2x+8. Sin * cos п/8 + cos x * sin п/8=1. Sin^2x/8+4cos^x/8sin^x/8+3cos^2x/8=0.

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