cos^2(3x)-3sin(3x)=3

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


Simplifying
cos2(3x) + -3sin(3x) = 3

Remove parenthesis around (3x)
cos2 * 3x + -3sin(3x) = 3

Reorder the terms for easier multiplication:
3cos2 * x + -3sin(3x) = 3

Multiply cos2 * x
3cos2x + -3sin(3x) = 3

Remove parenthesis around (3x)
3cos2x + -3ins * 3x = 3

Reorder the terms for easier multiplication:
3cos2x + -3 * 3ins * x = 3

Multiply -3 * 3
3cos2x + -9ins * x = 3

Multiply ins * x
3cos2x + -9insx = 3

Solving
3cos2x + -9insx = 3

Solving for variable 'c'.

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

Add '9insx' to each side of the equation.
3cos2x + -9insx + 9insx = 3 + 9insx

Combine like terms: -9insx + 9insx = 0
3cos2x + 0 = 3 + 9insx
3cos2x = 3 + 9insx

Divide each side by '3os2x'.
c = o-1s-2x-1 + 3ino-1s-1

Simplifying
c = o-1s-2x-1 + 3ino-1s-1

Reorder the terms:
c = 3ino-1s-1 + o-1s-2x-1

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