H hieu New member Aug 25, 2010 #1 Solve Each equation for [0,2? ) . 1. 2Cos(x) +1 = 0 2. 4Cos^(2)x - 3 = 0 3. Cos(x)(Cos(x) -1) = 0 4. 2Sin^(2)x = 2 +Cos(x) 5. Tan(3x) = -sqrt(3) 6. 2Sec^(2)x +Tan^(2)x - 3 = 0 7. Sin(2x) +Cos(x) = 0 8. Sin(4x) - Sin(2x) = 0
Solve Each equation for [0,2? ) . 1. 2Cos(x) +1 = 0 2. 4Cos^(2)x - 3 = 0 3. Cos(x)(Cos(x) -1) = 0 4. 2Sin^(2)x = 2 +Cos(x) 5. Tan(3x) = -sqrt(3) 6. 2Sec^(2)x +Tan^(2)x - 3 = 0 7. Sin(2x) +Cos(x) = 0 8. Sin(4x) - Sin(2x) = 0
