2cos^2x-7sinx-5=0

Simple and best practice solution for 2cos^2x-7sinx-5=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-7sinx-5=0 equation:


Simplifying
2cos2x + -7sinx + -5 = 0

Reorder the terms:
-5 + 2cos2x + -7insx = 0

Solving
-5 + 2cos2x + -7insx = 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 + -7insx = 0 + 5

Reorder the terms:
-5 + 5 + 2cos2x + -7insx = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 2cos2x + -7insx = 0 + 5
2cos2x + -7insx = 0 + 5

Combine like terms: 0 + 5 = 5
2cos2x + -7insx = 5

Add '7insx' to each side of the equation.
2cos2x + -7insx + 7insx = 5 + 7insx

Combine like terms: -7insx + 7insx = 0
2cos2x + 0 = 5 + 7insx
2cos2x = 5 + 7insx

Divide each side by '2os2x'.
c = 2.5o-1s-2x-1 + 3.5ino-1s-1

Simplifying
c = 2.5o-1s-2x-1 + 3.5ino-1s-1

Reorder the terms:
c = 3.5ino-1s-1 + 2.5o-1s-2x-1

See similar equations:

| 6x+38=26 | | 9x-1=6x-18 | | 3(x+1)-4=2x+18 | | (2-7i)/(5-3i) | | cos^2x-5cosx+4=0 | | 90x=128 | | 13x=5.2 | | f(x)=12x^3+5 | | 10x-6=9x+7 | | 6(5-3x)-(12x+15)=0 | | -7+9x=8x | | 4/3-5/6x=-1/6-2/3x | | 5(x+3)=6(2x-5) | | 3*/8=15 | | F(x)=9x-10x^1/4 | | (x+yi)(1+i)=1-xi | | 32+24x+20=196 | | 39+42x+43=292 | | -31+19x=83 | | (N-2)x180/n=140 | | -3(7-3n)+2n=5(2n+4) | | m^2-10m+25=13 | | x^7-35x^4+216x=0 | | log5^12.5/2-log5^x | | 3a-9/6 | | 3-4x=-3+2x | | 6x^2+3x=4x+2 | | -6x-8=-4x-28 | | ln*(15*k+2)=2*ln*(k)+ln*8 | | ln*(15*x+2)=2*ln*x+ln*8 | | 3(2x+4)=5x-17 | | 15x+4x=-47 |

Equations solver categories