I have to find the limit of the following function. Can i hav the procedure plzz? Plzz use identities that are not too complex. I am a +2 student.

Limit1 - sin(x/2)

x--> piecos(x/2)[cos(x/4-sin(x/4)

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- Sep 12th 2008, 12:41 PMtariq_h_tauheedLimits of trigonometric functions
I have to find the limit of the following function. Can i hav the procedure plzz? Plzz use identities that are not too complex. I am a +2 student.

Limit__1 - sin(x/2)__

*x--> pie*cos(x/2)[cos(x/4-sin(x/4) - Sep 12th 2008, 02:07 PMSoroban
Hello, tariq_h_tauheed!

We'll need this identity: .

Quote:

.

. .

. . .

Therefore: .

- Sep 13th 2008, 01:38 AMMoo
Hello,

Another way of doing it...

So we're looking for

Note that and

The limit is now :

Simplify :