(1)计算:①cos0+5sinπ2?3sin3π2+10cosπ;②cosπ3?tanπ4+34tan2π6?sinπ6+cos2π4+sin2π3.(2
(1)计算:①cos0+5sinπ2?3sin3π2+10cosπ;②cosπ3?tanπ4+34tan2π6?sinπ6+cos2π4+sin2π3.(2)化简:sin...
(1)计算:①cos0+5sinπ2?3sin3π2+10cosπ;②cosπ3?tanπ4+34tan2π6?sinπ6+cos2π4+sin2π3.(2)化简:sin(2π?α)cos(3π+α)cos(3π2+α)sin(?π+α)sin(3π?α)cos(?α?π).
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