Tilted Forum Project Discussion Community - View Single Post - I just want to see who of the knowledge people will solve this first. Time yourself

molloby · 11-19-2004, 03:35 PM

cos(x) = (-6 +- sqrt(60))/4
= 0.436491673, -3.43649...

Obviously, cos(x) is between -1 and 1 so the second root is not true.

cos^-1(0.436491673) = 1.119100764, 5.164084543

I really hope that's not your homework.

Edit, must of been playing around with it whilst Amano was posting...

11-19-2004, 03:35 PM	#10 (permalink)
molloby Tilted Location: Sydney, Australia	cos(x) = (-6 +- sqrt(60))/4 = 0.436491673, -3.43649... Obviously, cos(x) is between -1 and 1 so the second root is not true. cos^-1(0.436491673) = 1.119100764, 5.164084543 I really hope that's not your homework. Edit, must of been playing around with it whilst Amano was posting... Last edited by molloby; 11-19-2004 at 03:37 PM..