Photos Y 12 COS X

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Y 12 cos x. Cos 12-x cosx>sin 12-x sinx. Lim x 0. Lim x+sin(x)/x+cos(x). Cos8x.
Cos 12-x cosx>sin 12-x sinx. Lim x 0. Lim x+sin(x)/x+cos(x). Cos8x.

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