4cos^2x-5=-2

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Solution for 4cos^2x-5=-2 equation: 


Simplifying
4cos2x + -5 = -2

Reorder the terms:
-5 + 4cos2x = -2

Solving
-5 + 4cos2x = -2

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 + 4cos2x = -2 + 5

Combine like terms: -5 + 5 = 0
0 + 4cos2x = -2 + 5
4cos2x = -2 + 5

Combine like terms: -2 + 5 = 3
4cos2x = 3

Divide each side by '4os2x'.
c = 0.75o-1s-2x-1

Simplifying
c = 0.75o-1s-2x-1

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