sin^2x-8cosx-8=0

Simple and best practice solution for sin^2x-8cosx-8=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 sin^2x-8cosx-8=0 equation:


Simplifying
sin2x + -8cosx + -8 = 0

Reorder the terms:
-8 + -8cosx + in2sx = 0

Solving
-8 + -8cosx + in2sx = 0

Solving for variable 'c'.

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

Add '8' to each side of the equation.
-8 + -8cosx + 8 + in2sx = 0 + 8

Reorder the terms:
-8 + 8 + -8cosx + in2sx = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -8cosx + in2sx = 0 + 8
-8cosx + in2sx = 0 + 8

Combine like terms: 0 + 8 = 8
-8cosx + in2sx = 8

Add '-1in2sx' to each side of the equation.
-8cosx + in2sx + -1in2sx = 8 + -1in2sx

Combine like terms: in2sx + -1in2sx = 0
-8cosx + 0 = 8 + -1in2sx
-8cosx = 8 + -1in2sx

Divide each side by '-8osx'.
c = -1o-1s-1x-1 + 0.125in2o-1

Simplifying
c = -1o-1s-1x-1 + 0.125in2o-1

Reorder the terms:
c = 0.125in2o-1 + -1o-1s-1x-1

See similar equations:

| -4=2(7)+b | | 10c-6=7c+9 | | 4x-12-8= | | 0.00000032-0.0000032x+0.000008x^2-4x^3=0 | | 4(c+6)=56 | | x^8-144y^10= | | 48a^2+28ab+4b^2=0 | | 6xy(2xy+3wz)-5wz(2xy-3wz)= | | 4a^2-45ab+81b^2=0 | | 0=4x^2-2x-2 | | 15x+5+16-3=180 | | 0=24x^3+18x^2-20x+7 | | 6y^3+2y^2-4y=0 | | 95=7n+6(5+n) | | -7x+1x-3x=-39 | | 17x+8+18x+3=180 | | -2x+12x+14=0 | | y+18=40 | | 5x^2+4+x=0 | | 7x-8y=113 | | o-12=-34 | | 7+8n=3+7n | | 0.5(2x-4)+6=12 | | o-12=34 | | 16x^2+8xy+y^2-9=0 | | y-12=13 | | logx=3x | | X^8=-13 | | 6a^2-2a-28=0 | | u=5(9n+30)+7(n+1) | | V^4-v^2=0 | | 3.2X=32 |

Equations solver categories