化简sin(x+π/2)分之1+根号二cos(2x-π/4)
化简sin(x+π/2)分之1+根号二cos(2x-π/4)
化简2sin^2[(π/4)+x]+根号3(sin^x-cos^x)-1
已知函数f(x)=2倍根号3sin(x-4分之π)cos(x-4分之π)-sin(2x-π) (1)求函数f(x)的单调
根号2/4sin(π/4-x)+根号6/4cos(π/4-x) 化简
化简 1/2cos x-根号3/2sin x 根3sin x+cos x
已知函数f(x)=sin2x+2根号3sin(π/4+x)cos(π/4+x),(1),化简f(x)的表达式.并求出最小
化简sin(2π+x)cos(π-x)sin(π-x)/cos(x-π)sin(-π-x)sin(π+x)
2sin(2πx)cos(2πx)+根号(3)sin(2πx)=0 0
化简:2cos2x+2sin^2 x+cos(-x)分之sin2x+sin(π-x)=___________
已知cos(4分之π+x)=5分之4,x属于(-2分之π,-4分之π),求(1+tanx)分之(sin2x-2*(sin
已知函数f(x)=根号3cos(-π-x/2)sin(3π+x/2)-cos² x/2+1
设函数f(x)sin(x+π/3)+2sin(x+π/3)-根号3cos(2π/3-x) (1)求f(π/6),f(π/