If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2cos2x + -1 + 4cosx = -3 Reorder the terms: -1 + 4cosx + 2cos2x = -3 Solving -1 + 4cosx + 2cos2x = -3 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 4cosx + 1 + 2cos2x = -3 + 1 Reorder the terms: -1 + 1 + 4cosx + 2cos2x = -3 + 1 Combine like terms: -1 + 1 = 0 0 + 4cosx + 2cos2x = -3 + 1 4cosx + 2cos2x = -3 + 1 Combine like terms: -3 + 1 = -2 4cosx + 2cos2x = -2 Reorder the terms: 2 + 4cosx + 2cos2x = -2 + 2 Combine like terms: -2 + 2 = 0 2 + 4cosx + 2cos2x = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(1 + 2cosx + cos2x) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(1 + 2cosx + cos2x)' equal to zero and attempt to solve: Simplifying 1 + 2cosx + cos2x = 0 Solving 1 + 2cosx + cos2x = 0 Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + 2cosx + -1 + cos2x = 0 + -1 Reorder the terms: 1 + -1 + 2cosx + cos2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2cosx + cos2x = 0 + -1 2cosx + cos2x = 0 + -1 Combine like terms: 0 + -1 = -1 2cosx + cos2x = -1 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
| x^2+bx+16=4 | | (x-6)*(5x^2)= | | x+.2x=227 | | 12+4t=48 | | -40=6c-13-4c | | 74y+47=29 | | xy-5=3(y+4) | | 239+c=10 | | (2-3i)(1+2i)= | | 2(21-7)=9y | | 2(2m-7)-36= | | 4a-4ba+12a=3ab-8a | | 2.1=6.3 | | -(-8(4)+3)-9x+2= | | -7(1/7)= | | 17-31d=234 | | F(x)=insecx | | 60+-10j=-840 | | kj+n=2d | | 22+2c=68 | | g=2b+3j | | (3x-5)+16=32 | | 3b-21=6 | | -26=v+16 | | 79x^2=100x | | 1.5x+30y=645 | | p+3.4=11.6 | | 8=9v-7v | | F(x)=sec(5x+2) | | 11w+2(3w-1)=15w+4 | | 4y^2+4y-1=0 | | 54=4w+5w |