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Simplifying cos(4x) + -1cos(2x) = sen(3x) Remove parenthesis around (4x) cos * 4x + -1cos(2x) = sen(3x) Reorder the terms for easier multiplication: 4cos * x + -1cos(2x) = sen(3x) Multiply cos * x 4cosx + -1cos(2x) = sen(3x) Remove parenthesis around (2x) 4cosx + -1cos * 2x = sen(3x) Reorder the terms for easier multiplication: 4cosx + -1 * 2cos * x = sen(3x) Multiply -1 * 2 4cosx + -2cos * x = sen(3x) Multiply cos * x 4cosx + -2cosx = sen(3x) Combine like terms: 4cosx + -2cosx = 2cosx 2cosx = sen(3x) Remove parenthesis around (3x) 2cosx = ens * 3x Reorder the terms for easier multiplication: 2cosx = 3ens * x Multiply ens * x 2cosx = 3ensx Solving 2cosx = 3ensx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '2osx'. c = 1.5eno-1 Simplifying c = 1.5eno-1
| 6cos^2x-cosx-2=0 | | 42k^2-474k+540= | | 5-0.2(m-2)=3.6+1.6 | | 0.5n-0.35n=2.5+9.4 | | 3/4v=15 | | an=-7-8 | | -6f+3=2f-11 | | 6/5=2v | | x=32-3x | | 15a^2+36a+21= | | 6(X-6)=24-4x | | 8(x-1)(x-1)=18(3x-5)(3x-5) | | 3x-8=100-9x | | A^2+2A=B | | 2k^2-15k+7= | | 6-2xN=10 | | 8*(x-1)(x-1)=18*(3x-5)(3x-5) | | 3(x+2)=5x-12+4x | | a^2-5*b^2-2=0 | | 6x^2+y^2=12 | | 8m+95=-87m+5 | | 42=7(b-13) | | X^2+40x-15=0 | | 5x-5=10x+3 | | -3b-6-4=2b-5 | | X=at-bt^2 | | -756=-9(13x-20) | | y=-2x^2+20x-36 | | X=23t-1.3t^2 | | 14x-101=91+18x | | x*4+37=x*6-13 | | c(x)=2500+8x |