don't know how to use double or half angle formula to solve the equation:

sin2x+cosx=0

in the interval [0, 2pi) and the answers are pi/2, 7pi/6, 3pi/2, 11pi/6

Printable View

- February 7th 2009, 02:15 PMguardofthecolor4everdouble or half angle formula to solve
don't know how to use double or half angle formula to solve the equation:

sin2x+cosx=0

in the interval [0, 2pi) and the answers are pi/2, 7pi/6, 3pi/2, 11pi/6 - February 7th 2009, 02:21 PMmr fantastic
- February 7th 2009, 02:32 PMguardofthecolor4ever
thanks!