0=cosx-sin^2x

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Solution for 0=cosx-sin^2x equation: 


Simplifying
0 = cosx + -1sin2x

Solving
0 = cosx + -1in2sx

Solving for variable 'c'.

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

Add '-1cosx' to each side of the equation.
0 + -1cosx = cosx + -1cosx + -1in2sx
Remove the zero:
-1cosx = cosx + -1cosx + -1in2sx

Combine like terms: cosx + -1cosx = 0
-1cosx = 0 + -1in2sx
-1cosx = -1in2sx

Divide each side by '-1osx'.
c = in2o-1

Simplifying
c = in2o-1

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