So far I have changed everything to fractions using the quotient properties, but I have no idea where to go next.

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- February 15th 2011, 08:43 PMtoekneeHelp with Trigonometric Identities

So far I have changed everything to fractions using the quotient properties, but I have no idea where to go next. - February 15th 2011, 08:46 PMProve It
Use the identity .

Substitute this into the LHS and simplify. - February 15th 2011, 08:57 PMtoeknee
Sorry, but what does LHS stand for?

- February 15th 2011, 09:02 PMtopsquark
- February 15th 2011, 09:02 PMProve It
Left Hand Side

- February 15th 2011, 09:10 PMtoeknee
You can still use the Pythagorean property for ?

- February 15th 2011, 09:14 PMProve It
Surely ...

- February 15th 2011, 09:18 PMtoeknee
I thought because it was one term, you couldn't, but I guess not. Thanks a lot for your help. Kind of fitting that your name is Prove It.