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

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


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

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

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

Multiply inS * x
4inxS + -1cos(2x) = 0

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

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

Multiply -1 * 2
4inxS + -2cos * x = 0

Multiply cos * x
4inxS + -2cosx = 0

Reorder the terms:
-2cosx + 4inxS = 0

Solving
-2cosx + 4inxS = 0

Solving for variable 'c'.

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

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

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

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

Simplifying
c = 2ino-1s-1S

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