Can someone help me prove that the limit of (1-secx)/x^2 = -1/2. as x approaches 0, i know (1-cosx)/x^2 is 1/2, and thats it. thanks a bunch.

I believe you can use identities or squeeze method, whatever you prefer

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- Sep 15th 2008, 07:09 PMjarnyTrig/limits
Can someone help me prove that the limit of (1-secx)/x^2 = -1/2. as x approaches 0, i know (1-cosx)/x^2 is 1/2, and thats it. thanks a bunch.

I believe you can use identities or squeeze method, whatever you prefer - Sep 15th 2008, 07:11 PMJhevon
- Sep 15th 2008, 07:12 PMo_O
- Sep 15th 2008, 07:14 PMJhevon