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

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


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

Multiply ins * x
insx + -2cos(2x) = 0

Remove parenthesis around (2x)
insx + -2cos * 2x = 0

Reorder the terms for easier multiplication:
insx + -2 * 2cos * x = 0

Multiply -2 * 2
insx + -4cos * x = 0

Multiply cos * x
insx + -4cosx = 0

Reorder the terms:
-4cosx + insx = 0

Solving
-4cosx + insx = 0

Solving for variable 'c'.

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

Add '-1insx' to each side of the equation.
-4cosx + insx + -1insx = 0 + -1insx

Combine like terms: insx + -1insx = 0
-4cosx + 0 = 0 + -1insx
-4cosx = 0 + -1insx
Remove the zero:
-4cosx = -1insx

Divide each side by '-4osx'.
c = 0.25ino-1

Simplifying
c = 0.25ino-1

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