1-\frac{cos^2x}{1+cosx}=sinx

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- Sep 8th 2011, 12:59 AMdeathmatetrigonometric equation 2)
1-\frac{cos^2x}{1+cosx}=sinx

- Sep 8th 2011, 01:13 AMProve ItRe: trigonometric equation 2)
- Sep 8th 2011, 02:12 AMdeathmateRe: trigonometric equation 2)
- Sep 8th 2011, 02:27 AMProve ItRe: trigonometric equation 2)
- Sep 8th 2011, 03:12 AManonimnystefyRe: trigonometric equation 2)
hi PI

i think he wants the number x for which the above equation is true.he wants to solve it. - Sep 9th 2011, 01:18 AMdeathmateRe: trigonometric equation 2)
i need to prove that the left side is equal to the right!

- Sep 9th 2011, 03:40 AMProve ItRe: trigonometric equation 2)