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

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


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

Remove parenthesis around (3x)
cos2 * 3x + sin2(3x) = 0

Reorder the terms for easier multiplication:
3cos2 * x + sin2(3x) = 0

Multiply cos2 * x
3cos2x + sin2(3x) = 0

Remove parenthesis around (3x)
3cos2x + in2s * 3x = 0

Reorder the terms for easier multiplication:
3cos2x + 3in2s * x = 0

Multiply in2s * x
3cos2x + 3in2sx = 0

Solving
3cos2x + 3in2sx = 0

Solving for variable 'c'.

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

Add '-3in2sx' to each side of the equation.
3cos2x + 3in2sx + -3in2sx = 0 + -3in2sx

Combine like terms: 3in2sx + -3in2sx = 0
3cos2x + 0 = 0 + -3in2sx
3cos2x = 0 + -3in2sx
Remove the zero:
3cos2x = -3in2sx

Divide each side by '3os2x'.
c = -1in2o-1s-1

Simplifying
c = -1in2o-1s-1

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