sin(3*x)+sin(x)=cos(x)

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


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

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

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

Multiply ins * x
3insx + sin(x) = cos(x)

Multiply ins * x
3insx + insx = cos(x)

Combine like terms: 3insx + insx = 4insx
4insx = cos(x)

Multiply cos * x
4insx = cosx

Solving
4insx = cosx

Solving for variable 'i'.

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

Divide each side by '4nsx'.
i = 0.25cn-1o

Simplifying
i = 0.25cn-1o

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