Sinx^2+2cosx-1=0

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Solution for Sinx^2+2cosx-1=0 equation:


Simplifying
Sinx2 + 2cosx + -1 = 0

Reorder the terms:
-1 + 2cosx + inx2S = 0

Solving
-1 + 2cosx + inx2S = 0

Solving for variable 'c'.

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

Add '1' to each side of the equation.
-1 + 2cosx + 1 + inx2S = 0 + 1

Reorder the terms:
-1 + 1 + 2cosx + inx2S = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 2cosx + inx2S = 0 + 1
2cosx + inx2S = 0 + 1

Combine like terms: 0 + 1 = 1
2cosx + inx2S = 1

Add '-1inx2S' to each side of the equation.
2cosx + inx2S + -1inx2S = 1 + -1inx2S

Combine like terms: inx2S + -1inx2S = 0
2cosx + 0 = 1 + -1inx2S
2cosx = 1 + -1inx2S

Divide each side by '2osx'.
c = 0.5o-1s-1x-1 + -0.5ino-1s-1xS

Simplifying
c = 0.5o-1s-1x-1 + -0.5ino-1s-1xS

Reorder the terms:
c = -0.5ino-1s-1xS + 0.5o-1s-1x-1

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