Question

Limits and cos/sin/derivatives!

Answer 1

@Empty not sure how to go about this one!

Answer 2

so what happens if you plug zero in?

Answer 3

Are you allowed to use L'Hopital's rule? I imagine not huh

Answer 4

eem what's that rule? xP

Answer 5

ah, that's where I was going...

Answer 6

maybe divide top and bottom by \(\theta\)

Answer 7

If no L'hops then I guess you'll have to mess with half angle and double angle identities

Answer 8

here's how I did recent ones:

Answer 9

but you still have sinu/u there

Answer 10

so you're allowed to use these standard limits

Answer 11

hm hm ok

Answer 12

So how do I put those in? o.o

Answer 13

could we square it and take the square root?

Answer 14

:D