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

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


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

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

Reorder the terms:
cosx = -1ins(-30 + x)
cosx = (-30 * -1ins + x * -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 + -1ino-1

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

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

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