2cos^2x+5sinx+5=0

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Solution for 2cos^2x+5sinx+5=0 equation: 


Simplifying
2cos2x + 5sinx + 5 = 0

Reorder the terms:
5 + 2cos2x + 5insx = 0

Solving
5 + 2cos2x + 5insx = 0

Solving for variable 'c'.

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

Add '-5' to each side of the equation.
5 + 2cos2x + -5 + 5insx = 0 + -5

Reorder the terms:
5 + -5 + 2cos2x + 5insx = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 2cos2x + 5insx = 0 + -5
2cos2x + 5insx = 0 + -5

Combine like terms: 0 + -5 = -5
2cos2x + 5insx = -5

Add '-5insx' to each side of the equation.
2cos2x + 5insx + -5insx = -5 + -5insx

Combine like terms: 5insx + -5insx = 0
2cos2x + 0 = -5 + -5insx
2cos2x = -5 + -5insx

Divide each side by '2os2x'.
c = -2.5o-1s-2x-1 + -2.5ino-1s-1

Simplifying
c = -2.5o-1s-2x-1 + -2.5ino-1s-1

Reorder the terms:
c = -2.5ino-1s-1 + -2.5o-1s-2x-1

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