f(x)=3sin(x)-4cos(2x)

Simple and best practice solution for f(x)=3sin(x)-4cos(2x) 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 f(x)=3sin(x)-4cos(2x) equation:


Simplifying
f(x) = 3sin(x) + -4cos(2x)

Multiply f * x
fx = 3sin(x) + -4cos(2x)

Multiply ins * x
fx = 3insx + -4cos(2x)

Remove parenthesis around (2x)
fx = 3insx + -4cos * 2x

Reorder the terms for easier multiplication:
fx = 3insx + -4 * 2cos * x

Multiply -4 * 2
fx = 3insx + -8cos * x

Multiply cos * x
fx = 3insx + -8cosx

Reorder the terms:
fx = -8cosx + 3insx

Solving
fx = -8cosx + 3insx

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -8cos + 3ins

Simplifying
f = -8cos + 3ins

See similar equations:

| -3(3x-1)=18 | | 20+2x=x+5 | | -4.9x^2+1.5x+17=0 | | 2(7x+3)=3(2x+7)+4(2x-1) | | y=0.1x+1*1x+1*0.75x+1*0.75x+1 | | 4(2y-3)=5(y+6) | | 2(3x+5)=3(2x+7)+4(2x-1) | | 2(2x+5)=3(2x+7)+4(2x-1) | | 7/8x=58 | | -36=14-2/5x | | 0.3x+0.0x+0.003x= | | 3(x-1)-5x=2 | | -4x-17=-10 | | 8/10-1/3 | | X^2-4x-1=x-7 | | 7p-14=16+2p | | 7z-11=65+z | | 3a-b+a= | | 5/8p21/2=2 | | 4x*4+7*2-2=0 | | 2x+(2x+1)=56 | | 4+0.5x=28-0.7x | | 6w^6-20w^5-16w^4=0 | | 3p+6=-13 | | 3x+2y=56 | | 2/3a-2=1/3 | | 8x+20=84 | | x^2+8x-2=5x-4 | | x^2+7x-8=8x-2 | | x+2*5=25 | | 2x+2=65 | | 2c-6=-3 |

Equations solver categories