2cos^2x+5sinx-4=0

Simple and best practice solution for 2cos^2x+5sinx-4=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-4=0 equation:


Simplifying
2cos2x + 5sinx + -4 = 0

Reorder the terms:
-4 + 2cos2x + 5insx = 0

Solving
-4 + 2cos2x + 5insx = 0

Solving for variable 'c'.

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

Add '4' to each side of the equation.
-4 + 2cos2x + 4 + 5insx = 0 + 4

Reorder the terms:
-4 + 4 + 2cos2x + 5insx = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 2cos2x + 5insx = 0 + 4
2cos2x + 5insx = 0 + 4

Combine like terms: 0 + 4 = 4
2cos2x + 5insx = 4

Add '-5insx' to each side of the equation.
2cos2x + 5insx + -5insx = 4 + -5insx

Combine like terms: 5insx + -5insx = 0
2cos2x + 0 = 4 + -5insx
2cos2x = 4 + -5insx

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

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

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

See similar equations:

| 3p^2-12p-200=0 | | 3p^2-12p+20=0 | | 6+30x=20x+18 | | 3p^2-12p+200=0 | | P=2(100)+4(10) | | 4P+2(10)-40=0 | | 8x-3+2x=7 | | 4P+2Q-40=0 | | (5n-17)+(n+12)= | | 2x+3+5x+6=23 | | (x+4)(x+3)=(x+1) | | 3(x+4)=5x+14 | | x+1+3x+2=15 | | 2a-7=3-3a | | M^2-1=24 | | x(x-1)(x+1)=40(3x) | | 26/7 | | 2(x+4)+x=x+12 | | K+3=9-k | | x+(x+882)+(x-112)=3221 | | 2x+x-x+1=x+9 | | 4log(x-2)=3 | | 2x^2+28-15x=0 | | (6-1)-(1+2)= | | 2x^2+9x+4=0 | | (x+8)+6=2(x+6) | | (x+8)+6= | | (3x-1)/(18x-6) | | 3x-1/18x-6 | | sin(8x)=0.28 | | 7+4bc-3+2bc+c= | | 12abc-10acb+abc= |

Equations solver categories