lim((x→0)(1-cos2x)/(x*sinx)
1.lim(x→0)1-cos2x/x*sinx [x和sinx是一起的]
lim x→0 (1-cosx√cos2x√cos3x)/(e^x+1)sinx dx
求lim x→0 1-cos2x/x·sinx极限
lim(x→0)(1-cos2x)/xsinx
lim(x→π/4)(sinx-cosx)/cos2x
求lim(x→π/4) (sin2x-cos2x-1)/(cosx-sinx)的极限
lim (x→0)x-sinx/x
2.5计算极限lim(x→0) (1-cos2x)/xsinx
lim(x→0)(x/1-sinx/x+1)
lim(x→0) sinx-x(x+1)/xsinx
lim (x→0) (e^x-x)^(1/sinx)
lim(x→0)(1-x^2-e^-x)/sinx