25cos^2x-16=0

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Solution for 25cos^2x-16=0 equation:


Simplifying
25cos2x + -16 = 0

Reorder the terms:
-16 + 25cos2x = 0

Solving
-16 + 25cos2x = 0

Solving for variable 'c'.

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

Add '16' to each side of the equation.
-16 + 16 + 25cos2x = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 25cos2x = 0 + 16
25cos2x = 0 + 16

Combine like terms: 0 + 16 = 16
25cos2x = 16

Divide each side by '25os2x'.
c = 0.64o-1s-2x-1

Simplifying
c = 0.64o-1s-2x-1

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