# Solutions to Trigonometic Equation

• Jul 28th 2010, 06:55 PM
danielh9103
Solutions to Trigonometic Equation
Finding all exact solutions to the equation on [0, 2pi)

2(cos^2)x + 3sinx = 3
• Jul 28th 2010, 07:02 PM
lvleph
I would suggest rewriting this using the fact that $\cos^2 x + \sin^2 x = 1$. From there you can treat $\sin x$ as a variable and solve the quadratic that results. If you don't understand the second part just post what you have after using the first suggestion.