Вычислите:
1) 1-tgПи/6+tg^2Пи/6-tg^3Пи/6
2) 1+cosПи/6+ cos^2Пи/6+cos^3Пи/6
1) 1-tgПи/6+tg^2Пи/6-tg^3Пи/6
2) 1+cosПи/6+ cos^2Пи/6+cos^3Пи/6
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