Вычислите: а) cos 117°+cos 63° б) sin 112°+sin 248° в) 10*ctg3п/4*sin 5п/4*cos7п/4

Question

Вычислите: а) cos 117°+cos 63° б) sin 112°+sin 248° в) 10*ctg3п/4*sin 5п/4*cos7п/4

Answer 1

I hope this helps you

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Comments

Ohhh, thank you!!!

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