3sin^2(3x)-3cos^2(3x)=0

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Solution for 3sin^2(3x)-3cos^2(3x)=0 equation: 


Simplifying
3sin2(3x) + -3cos2(3x) = 0

Remove parenthesis around (3x)
3in2s * 3x + -3cos2(3x) = 0

Reorder the terms for easier multiplication:
3 * 3in2s * x + -3cos2(3x) = 0

Multiply 3 * 3
9in2s * x + -3cos2(3x) = 0

Multiply in2s * x
9in2sx + -3cos2(3x) = 0

Remove parenthesis around (3x)
9in2sx + -3cos2 * 3x = 0

Reorder the terms for easier multiplication:
9in2sx + -3 * 3cos2 * x = 0

Multiply -3 * 3
9in2sx + -9cos2 * x = 0

Multiply cos2 * x
9in2sx + -9cos2x = 0

Reorder the terms:
-9cos2x + 9in2sx = 0

Solving
-9cos2x + 9in2sx = 0

Solving for variable 'c'.

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

Add '-9in2sx' to each side of the equation.
-9cos2x + 9in2sx + -9in2sx = 0 + -9in2sx

Combine like terms: 9in2sx + -9in2sx = 0
-9cos2x + 0 = 0 + -9in2sx
-9cos2x = 0 + -9in2sx
Remove the zero:
-9cos2x = -9in2sx

Divide each side by '-9os2x'.
c = in2o-1s-1

Simplifying
c = in2o-1s-1

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