Hi, I'm having no luck solving a couple of identities, could someone be of assistance?

1) (1-sin^2x)/(cosx) = sin2x/2sinx

2) cscx/cosx = tanx + cosx

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- Nov 12th 2008, 03:59 PMmillerstTrig Identities
Hi, I'm having no luck solving a couple of identities, could someone be of assistance?

1) (1-sin^2x)/(cosx) = sin2x/2sinx

2) cscx/cosx = tanx + cosx - Nov 12th 2008, 04:23 PMskeeter
- Nov 12th 2008, 04:31 PMSoroban
Hello, millerst!

The second one isn't true . . .

Quote:

The left side is: .

- Nov 12th 2008, 04:38 PMmillerst
Just wondering, I find these things rather hard, and normally I pick of concepts quickly. Is there anything I can do to make these things easier?