-sin^2(x)-sinx-cos^2(x)=

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Solution for -sin^2(x)-sinx-cos^2(x)= equation: 


Simplifying
-1sin2(x) + -1sinx + -1cos2(x) = 0

Multiply in2s * x
-1in2sx + -1sinx + -1cos2(x) = 0

Multiply cos2 * x
-1in2sx + -1insx + -1cos2x = 0

Reorder the terms:
-1cos2x + -1insx + -1in2sx = 0

Solving
-1cos2x + -1insx + -1in2sx = 0

Solving for variable 'c'.

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

Add 'insx' to each side of the equation.
-1cos2x + -1insx + insx + -1in2sx = 0 + insx

Combine like terms: -1insx + insx = 0
-1cos2x + 0 + -1in2sx = 0 + insx
-1cos2x + -1in2sx = 0 + insx
Remove the zero:
-1cos2x + -1in2sx = insx

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

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

Divide each side by '-1os2x'.
c = -1ino-1s-1 + -1in2o-1s-1

Simplifying
c = -1ino-1s-1 + -1in2o-1s-1

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