Posted by **yo** on Tuesday, December 20, 2011 at 4:48pm.

(sinx)^2+cosx +1 = 0 , domain: [0,2pi)

aydame por favor

gracias

## Answer this Question

## Related Questions

- Trig........ - I need to prove that the following is true. Thanks (cosx / 1-sinx...
- Pre-Calc - Trigonometric Identities Prove: (tanx + secx -1)/(tanx - secx + 1)= ...
- Trigonometry Check - Simplify #3: [cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [...
- Trigonometry. - ( tanx/1-cotx )+ (cotx/1-tanx)= (1+secxcscx) Good one! ...
- Math - Verify the identity . (cscX-cotX)^2=1-cosX/1+cosX _______ sorry i cant ...
- maths - hey, i would really appreciate some help solving for x when: sin2x=cosx ...
- Math - Pre- Clac - Prove that each of these equations is an identity. A) (1 + ...
- Calculus - determine the absolute extreme values of the function f(x)=sinx-cosx+...
- trigonometry - can i use factoring to simplify this trig identity? the problem ...
- check math - Here are my answers. Can you check if I got the right answers? ...