(cos⁡21п/10*sin⁡3п/20+cos⁡3п/20*sin⁡п/10)/(sin 7п/8*sin 7п/24+cos 7п/8*cos 7п/24)

Question

(cos⁡21п/10*sin⁡3п/20+cos⁡3п/20*sin⁡п/10)/(sin 7п/8*sin 7п/24+cos 7п/8*cos 7п/24)

Comments

в числителе последняя функция sin pi/10 или 21 pi/10

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Sin pi/10

Answer 1

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