Questions Answered

Rachelzhang:
Group Title
help!
Find the limit ,use L'Hospital's Rule to solve.limx appropriate t,(1sinx)/cscx. How to solve?
 updated one year ago
 30 replies
 2 Medals

Rachelzhang:
Group Title
Let f(x)=2/(x4). Then according to the definition of derivative f'(x)=lim t approach x ,I got answer is 2/((t4)(x4)),but The expression …
 updated one year ago
 11 replies
 1 Medal

Rachelzhang:
Group Title
Find the smallest positive value of which satisfies x=3.400cos(2.300x)
Give the answer to four decimal places of accuracy.x=?
 updated one year ago
 9 replies
 1 Medal