-cos^2x+sin^2x=cosx+1

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Solution for -cos^2x+sin^2x=cosx+1 equation:


Simplifying
-1cos2x + sin2x = cosx + 1

Reorder the terms:
-1cos2x + in2sx = 1 + cosx

Solving
-1cos2x + in2sx = 1 + cosx

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.
-1cos2x + -1cosx + in2sx = 1 + cosx + -1cosx

Reorder the terms:
-1cosx + -1cos2x + in2sx = 1 + cosx + -1cosx

Combine like terms: cosx + -1cosx = 0
-1cosx + -1cos2x + in2sx = 1 + 0
-1cosx + -1cos2x + in2sx = 1

Add '-1in2sx' to each side of the equation.
-1cosx + -1cos2x + in2sx + -1in2sx = 1 + -1in2sx

Combine like terms: in2sx + -1in2sx = 0
-1cosx + -1cos2x + 0 = 1 + -1in2sx
-1cosx + -1cos2x = 1 + -1in2sx

Reorder the terms:
-1 + -1cosx + -1cos2x + in2sx = 1 + -1in2sx + -1 + in2sx

Reorder the terms:
-1 + -1cosx + -1cos2x + in2sx = 1 + -1 + -1in2sx + in2sx

Combine like terms: 1 + -1 = 0
-1 + -1cosx + -1cos2x + in2sx = 0 + -1in2sx + in2sx
-1 + -1cosx + -1cos2x + in2sx = -1in2sx + in2sx

Combine like terms: -1in2sx + in2sx = 0
-1 + -1cosx + -1cos2x + in2sx = 0

The solution to this equation could not be determined.

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