Question

trig limit help

Answer 1

\[\lim_{x \rightarrow 0} \frac{ cosx-1 }{ x} = 0\]

Answer 2

or....

Answer 3

\[\lim_{x \rightarrow 0} \frac{ 1-cosx }{ x} = 0\]

Answer 4

Are they both correct?

Answer 5

Yep they are correct.

Answer 6

hmm, okay then.. Thanks @Zekarias

Answer 7

I was under the understanding that it was only true for one of them.