Posted by **George** on Friday, January 15, 2010 at 1:03am.

cos^2(x) + sin(x) = 1

- Find all solutions in the interval [0, 2pi)

I got pi/2 but the answer says {0, pi/2, pi}

Where does 0 and pi come from for solutions? When simplifying I just get sin(x)=1

## Answer this Question

## Related Questions

- Math - Can I please get some help on these questions: 1. How many solutions does...
- trig - I need to find all solutions of the given equations for the indicated ...
- Pre-Calc/Math - Use factoring, the quadratic formula, or identities to solve cos...
- Pre-Calculus - Find the solutions for sec^2x+secx=2 that fit into the interval [...
- pre cal - Find all solutions in the interval[0,2pi),cos x/2-sinx=0
- Pre-Calculus - Can someone please explain on how to solve this equation so I can...
- Math - 1. On the interval [0, 2pi] what are the solutions to the equation ...
- Pre-Calc - Find all solutions of the equation in the interval [0, 2pi). Show all...
- math - find all solutions in the interval [0,2 pi) sin(x+(3.14/3) + sin(x- 3.14/...
- Math Trig - Find all solutions on the interval [0,2pi] for the following: 2sin^2...

More Related Questions