7cos(3x)=x^2

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Solution for 7cos(3x)=x^2 equation: 


Simplifying
7cos(3x) = x2

Remove parenthesis around (3x)
7cos * 3x = x2

Reorder the terms for easier multiplication:
7 * 3cos * x = x2

Multiply 7 * 3
21cos * x = x2

Multiply cos * x
21cosx = x2

Solving
21cosx = x2

Solving for variable 'c'.

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

Divide each side by '21osx'.
c = 0.04761904762o-1s-1x

Simplifying
c = 0.04761904762o-1s-1x

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