cos(45-x)=cosx

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Solution for cos(45-x)=cosx equation:


Simplifying
cos(45 + -1x) = cosx
(45 * cos + -1x * cos) = cosx
(45cos + -1cosx) = cosx

Solving
45cos + -1cosx = cosx

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-1cosx' to each side of the equation.
45cos + -1cosx + -1cosx = cosx + -1cosx

Combine like terms: -1cosx + -1cosx = -2cosx
45cos + -2cosx = cosx + -1cosx

Combine like terms: cosx + -1cosx = 0
45cos + -2cosx = 0

Factor out the Greatest Common Factor (GCF), 'cos'.
cos(45 + -2x) = 0

Subproblem 1

Set the factor 'cos' equal to zero and attempt to solve: Simplifying cos = 0 Solving cos = 0 Move all terms containing c to the left, all other terms to the right. Simplifying cos = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(45 + -2x)' equal to zero and attempt to solve: Simplifying 45 + -2x = 0 Solving 45 + -2x = 0 Move all terms containing c to the left, all other terms to the right. Add '-45' to each side of the equation. 45 + -45 + -2x = 0 + -45 Combine like terms: 45 + -45 = 0 0 + -2x = 0 + -45 -2x = 0 + -45 Combine like terms: 0 + -45 = -45 -2x = -45 Add '2x' to each side of the equation. -2x + 2x = -45 + 2x Combine like terms: -2x + 2x = 0 0 = -45 + 2x Simplifying 0 = -45 + 2x 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.

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