40-80cos(8x)=0

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Solution for 40-80cos(8x)=0 equation: 


Simplifying
40 + -80cos(8x) = 0

Remove parenthesis around (8x)
40 + -80cos * 8x = 0

Reorder the terms for easier multiplication:
40 + -80 * 8cos * x = 0

Multiply -80 * 8
40 + -640cos * x = 0

Multiply cos * x
40 + -640cosx = 0

Solving
40 + -640cosx = 0

Solving for variable 'c'.

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

Add '-40' to each side of the equation.
40 + -40 + -640cosx = 0 + -40

Combine like terms: 40 + -40 = 0
0 + -640cosx = 0 + -40
-640cosx = 0 + -40

Combine like terms: 0 + -40 = -40
-640cosx = -40

Divide each side by '-640osx'.
c = 0.0625o-1s-1x-1

Simplifying
c = 0.0625o-1s-1x-1

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