Ответ:
№2 А) 150°=5π/6
240°=4π/3
Объяснение:
№4 2 sin(a)
1) sin(a)-(- sin (a)) + cot (a) - cot (a)
2) sin (a) + sin(a) + cot (a)-cot (a)
3) 2 sin(a)
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Ответ:
№2 А) 150°=5π/6
240°=4π/3
Объяснение:
№4 2 sin(a)
1) sin(a)-(- sin (a)) + cot (a) - cot (a)
2) sin (a) + sin(a) + cot (a)-cot (a)
3) 2 sin(a)