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

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


Simplifying
cos(2x) + tan(x) = sin(3x)

Remove parenthesis around (2x)
cos * 2x + tan(x) = sin(3x)

Reorder the terms for easier multiplication:
2cos * x + tan(x) = sin(3x)

Multiply cos * x
2cosx + tan(x) = sin(3x)

Multiply ant * x
2cosx + antx = sin(3x)

Reorder the terms:
antx + 2cosx = sin(3x)

Remove parenthesis around (3x)
antx + 2cosx = ins * 3x

Reorder the terms for easier multiplication:
antx + 2cosx = 3ins * x

Multiply ins * x
antx + 2cosx = 3insx

Solving
antx + 2cosx = 3insx

Solving for variable 'a'.

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

Add '-2cosx' to each side of the equation.
antx + 2cosx + -2cosx = -2cosx + 3insx

Combine like terms: 2cosx + -2cosx = 0
antx + 0 = -2cosx + 3insx
antx = -2cosx + 3insx

Divide each side by 'ntx'.
a = -2cn-1ost-1 + 3ist-1

Simplifying
a = -2cn-1ost-1 + 3ist-1

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