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

Simple and best practice solution for 2cos^2x+5sinx+2=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

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


Simplifying
2cos2x + 5sinx + 2 = 0

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

Solving
2 + 2cos2x + 5insx = 0

Solving for variable 'c'.

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

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

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

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

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

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

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

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

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

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

See similar equations:

| 8x^2+-48x+40=0 | | -5(6n+y)=30 | | 4-2(a+3)=5a+7 | | 8x^2y/10xy^3 | | 4a^2+16a-1=2 | | 38(r+8)=9 | | 3m-20=130 | | X^4+16x^2-48=0 | | 10p^2+20p-38=-8 | | -3-3y=15 | | 7(2l+4)=126 | | 8k^2-16k-6=4 | | 13=n-(-3) | | 6i-19=29 | | 5x-3*2x-9*3x-2=7106 | | 2(a-1)=44 | | 5sin(x)-7cos(x)=0 | | (2x-3)(4x+9)= | | 8=1 | | x+4=80 | | 3+7x=9.4+3x | | 3x^2+5x+12=-10 | | 12y+2=42 | | 2(3x+1)=26-2x | | ln(211)=x | | 2x+(x*x)=3 | | 2.5x+14+3.5x=-4x-26 | | 15b^2-24bf=0 | | 20f+44=63 | | 6x+37=-16x-73 | | dx(x+1)=ydx | | 4x+7=2x-12 |

Equations solver categories