2cos^2-7=-7

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Solution for 2cos^2-7=-7 equation:


Simplifying
2cos2 + -7 = -7

Reorder the terms:
-7 + 2cos2 = -7

Add '7' to each side of the equation.
-7 + 7 + 2cos2 = -7 + 7

Combine like terms: -7 + 7 = 0
0 + 2cos2 = -7 + 7
2cos2 = -7 + 7

Combine like terms: -7 + 7 = 0
2cos2 = 0

Solving
2cos2 = 0

Solving for variable 'c'.

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

Divide each side by '2'.
cos2 = 0

Simplifying
cos2 = 0

The solution to this equation could not be determined.

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