8cos^4x-5=0

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Solution for 8cos^4x-5=0 equation: 


Simplifying
8cos4x + -5 = 0

Reorder the terms:
-5 + 8cos4x = 0

Solving
-5 + 8cos4x = 0

Solving for variable 'c'.

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

Add '5' to each side of the equation.
-5 + 5 + 8cos4x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 8cos4x = 0 + 5
8cos4x = 0 + 5

Combine like terms: 0 + 5 = 5
8cos4x = 5

Divide each side by '8os4x'.
c = 0.625o-1s-4x-1

Simplifying
c = 0.625o-1s-4x-1

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