7-sinx+2cos(2x)=0

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Solution for 7-sinx+2cos(2x)=0 equation:


Simplifying
7 + -1sinx + 2cos(2x) = 0

Remove parenthesis around (2x)
7 + -1insx + 2cos * 2x = 0

Reorder the terms for easier multiplication:
7 + -1insx + 2 * 2cos * x = 0

Multiply 2 * 2
7 + -1insx + 4cos * x = 0

Multiply cos * x
7 + -1insx + 4cosx = 0

Reorder the terms:
7 + 4cosx + -1insx = 0

Solving
7 + 4cosx + -1insx = 0

Solving for variable 'c'.

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

Add '-7' to each side of the equation.
7 + 4cosx + -7 + -1insx = 0 + -7

Reorder the terms:
7 + -7 + 4cosx + -1insx = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 4cosx + -1insx = 0 + -7
4cosx + -1insx = 0 + -7

Combine like terms: 0 + -7 = -7
4cosx + -1insx = -7

Add 'insx' to each side of the equation.
4cosx + -1insx + insx = -7 + insx

Combine like terms: -1insx + insx = 0
4cosx + 0 = -7 + insx
4cosx = -7 + insx

Divide each side by '4osx'.
c = -1.75o-1s-1x-1 + 0.25ino-1

Simplifying
c = -1.75o-1s-1x-1 + 0.25ino-1

Reorder the terms:
c = 0.25ino-1 + -1.75o-1s-1x-1

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