Send to a Friend
How much is x?
)
January 6th, 2012
How much is x from this equation?
4x^3 – 3*x = sqrt((x+1)/2)
This is not my homework or something like that.
Spmeone told me I had to use the fact that cos(3x)=4cos^3(x)-3cos(x)
Still, I have no idea how to solve it.
Using Fluther
or
