Images 2 COS 3П B SIN

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2 cos 3п b sin. Cos(π+π/4)+i*sin(π+π/4) комплексные. Sin 3π/4. Sin(2π+x)cos3π/2-x)+TG. Cos π/2.
Cos(π+π/4)+i*sin(π+π/4) комплексные. Sin 3π/4. Sin(2π+x)cos3π/2-x)+TG. Cos π/2.