cos(x)=-sin(30-x)

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Solution for cos(x)=-sin(30-x) equation: 


Simplifying
cos(x) = -1sin(30 + -1x)

Multiply cos * x
cosx = -1sin(30 + -1x)
cosx = (30 * -1ins + -1x * -1ins)
cosx = (-30ins + 1insx)

Solving
cosx = -30ins + 1insx

Solving for variable 'c'.

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

Divide each side by 'osx'.
c = -30ino-1x-1 + ino-1

Simplifying
c = -30ino-1x-1 + ino-1

Reorder the terms:
c = ino-1 + -30ino-1x-1

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