Images TG Π COS Π

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Tg π cos π. Cos(3π/2-a) +cos(π+a) /2sin(a-π/2) cos(-a) +1. Sin(π+a)cos(π/2-a)-cos^2( a). Cos(π+π/4)+i*sin(π+π/4) комплексные. 3sin(2a-π/4)+ 2cos(3a-π) если a=π/4.
Cos(3π/2-a) +cos(π+a) /2sin(a-π/2) cos(-a) +1. Sin(π+a)cos(π/2-a)-cos^2( a). Cos(π+π/4)+i*sin(π+π/4) комплексные. 3sin(2a-π/4)+ 2cos(3a-π) если a=π/4.

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