1. ## limit trig funcrion

What is the limit of
lim x-> Pi- (1-cosx)

I get confused because it is a lefthanded limit. Normally I just would plug in Pi for x.
How do I do that with a one sided limit?
Thans
ks

2. Originally Posted by DBA
What is the limit of
lim x-> Pi- (1-cosx)

I get confused because it is a lefthanded limit. Normally I just would plug in Pi for x.
How do I do that with a one sided limit?
Thans
ks
since $1-\cos{x}$ is a continuous function, the left limit = right limit = the limit ... in other words, it does not matter in this case.