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[单选题]
A.diff((cos(x))^2,2)
B.diff((cos(x))^3,2)
C.syms x; diff((cos(x))^2,2)
D.syms x; diff((cos(x))^3,2)
提问人:网友xiyizi
发布时间:2022-01-07
A.diff((cos(x))^2,2)
B.diff((cos(x))^3,2)
C.syms x; diff((cos(x))^2,2)
D.syms x; diff((cos(x))^3,2)
A、syms x; limit(tan(2*x)/sin(5*x),x,0)
B、syms x; limit(tan(2x)/sin(5x),x,0)
C、limit(tan(2*x)/sin(5*x),x,0)
D、limit(tan2x/sin5x,x,0)
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