Sin(π/2-x/2)+sinπ/6+sin(3π/2-x/2)

Question

Sin(π/2-x/2)+sinπ/6+sin(3π/2-x/2)

Answer 1

Ответ смотри на фото.

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Answer 2

Cos(x/2) + (sinπ)/6 - cos(x/2)

(sinπ)/6

0/6

0