Originally Posted by

**evankiefl** Hi, I'm having a lot of trouble with these. I think i need to know some trig identities to get around these problems to try and manipulate the equations into the form sin(x)/x because the limit of that is 1. Any amount of help would be greatly appreciated. whether it be in math notation or written word. Thanks

lim as x goes to 0 of (1-cosx)/(x^5)

lim as t goes to 0 of 2t/((sint) - 1)

lim as x goes to 0 of x*(secx)*(cscx)

lim as x goes to 0 of (1-cosx)/(xsinx)

lim as x goes to 0 of xcot(3x)

Cheers.