Проверить равенства:sinπ+3cos3π/2-tg²π/3+ctg²π/6

Question

Проверить равенства:sinπ+3cos3π/2-tg²π/3+ctg²π/6

Answer 1

sinπ+3cos3π/2-tg²π/3+ctg²π/6 =0+3·0-3+3=0
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