8=10cos(4x)

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Solution for 8=10cos(4x) equation:


Simplifying
8 = 10cos(4x)

Remove parenthesis around (4x)
8 = 10cos * 4x

Reorder the terms for easier multiplication:
8 = 10 * 4cos * x

Multiply 10 * 4
8 = 40cos * x

Multiply cos * x
8 = 40cosx

Solving
8 = 40cosx

Solving for variable 'c'.

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

Add '-40cosx' to each side of the equation.
8 + -40cosx = 40cosx + -40cosx

Combine like terms: 40cosx + -40cosx = 0
8 + -40cosx = 0

Add '-8' to each side of the equation.
8 + -8 + -40cosx = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -40cosx = 0 + -8
-40cosx = 0 + -8

Combine like terms: 0 + -8 = -8
-40cosx = -8

Divide each side by '-40osx'.
c = 0.2o-1s-1x-1

Simplifying
c = 0.2o-1s-1x-1

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