2sin^2x-7sinx-4=0

Simple and best practice solution for 2sin^2x-7sinx-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 2sin^2x-7sinx-4=0 equation: 


Simplifying
2sin2x + -7sinx + -4 = 0

Reorder the terms:
-4 + -7insx + 2in2sx = 0

Solving
-4 + -7insx + 2in2sx = 0

Solving for variable 'i'.

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

Add '4' to each side of the equation.
-4 + -7insx + 4 + 2in2sx = 0 + 4

Reorder the terms:
-4 + 4 + -7insx + 2in2sx = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -7insx + 2in2sx = 0 + 4
-7insx + 2in2sx = 0 + 4

Combine like terms: 0 + 4 = 4
-7insx + 2in2sx = 4

Reorder the terms:
-4 + -7insx + 2in2sx = 4 + -4

Combine like terms: 4 + -4 = 0
-4 + -7insx + 2in2sx = 0

The solution to this equation could not be determined.

See similar equations:

| 5=-3+2w | | -t+2=8t-8-4t | | x-(-5)=5 | | cosx-secx=0 | | 0.8-4x=-0.4y | | (3x+1)=(x-6) | | 81-57=x | | 35x^2+12xy-32y^2=0 | | 68=4w | | 72=3d | | 25x-1=(125)x+4 | | .50(x-8)=.50 | | -18=9n-9 | | s-10=20.03 | | 4.2w=8.4 | | 45=5x-18 | | 9.7=9+3.3 | | 17+11s=12s | | 4.91x+39.28=78.56 | | t-5.8=88 | | 4.96x+34.72=69.44 | | 2.55x+100=6.5025+10x | | 10f+1=7+9f | | 9n^2-6n-24=0 | | 5.8(v-3)whenv=6 | | 90=5x-18 | | x^2=8x+7 | | 5x-18=90 | | 20-6f+16=-18-9f | | -4(2-x)=28 | | 5a^2-4a=0 | | 8u+12=-8+12u |

Equations solver categories