(CosθCotθ)/1-Sinθ - 1 = Cscθ

4(Tan^4)x + (tan^2)x - 3 = (sec^2)x[4(tan^2)x - 3]

Sin(α/3)Cos(α/3) = .5Sin(2α/3)

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- August 5th 2010, 03:31 PMRosieLairdVerify Trig Identities
(CosθCotθ)/1-Sinθ - 1 = Cscθ

4(Tan^4)x + (tan^2)x - 3 = (sec^2)x[4(tan^2)x - 3]

Sin(α/3)Cos(α/3) = .5Sin(2α/3) - August 5th 2010, 03:47 PMskeeter
- August 6th 2010, 11:52 AMSoroban
Hello, RosieLaird!

Quote:

The left side is: .

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- August 6th 2010, 09:37 PMsa-ri-ga-ma
4(Tan^4)x + (tan^2)x - 3 = (sec^2)x[4(tan^2)x - 3]