cos(2x)-sin(4x)=0

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Solution for cos(2x)-sin(4x)=0 equation:


Simplifying
cos(2x) + -1sin(4x) = 0

Remove parenthesis around (2x)
cos * 2x + -1sin(4x) = 0

Reorder the terms for easier multiplication:
2cos * x + -1sin(4x) = 0

Multiply cos * x
2cosx + -1sin(4x) = 0

Remove parenthesis around (4x)
2cosx + -1ins * 4x = 0

Reorder the terms for easier multiplication:
2cosx + -1 * 4ins * x = 0

Multiply -1 * 4
2cosx + -4ins * x = 0

Multiply ins * x
2cosx + -4insx = 0

Solving
2cosx + -4insx = 0

Solving for variable 'c'.

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

Add '4insx' to each side of the equation.
2cosx + -4insx + 4insx = 0 + 4insx

Combine like terms: -4insx + 4insx = 0
2cosx + 0 = 0 + 4insx
2cosx = 0 + 4insx
Remove the zero:
2cosx = 4insx

Divide each side by '2osx'.
c = 2ino-1

Simplifying
c = 2ino-1

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