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

Cryptic · 11-19-2004, 03:37 PM

Very nice, Amano. If cos x = 0.4365 the calculator gives x=1.1191 as the acute solution.
And we deduce that the other solution is x = 2pi - 0.4365 = 5.1641. The equation of cos x = -3.4365 has no solutions, since cos x < 1 for all x. The solution set is therefore {0.4365, 5.1641}. -

11-19-2004, 03:37 PM	#12 (permalink)
Cryptic Upright	Very nice, Amano. If cos x = 0.4365 the calculator gives x=1.1191 as the acute solution. And we deduce that the other solution is x = 2pi - 0.4365 = 5.1641. The equation of cos x = -3.4365 has no solutions, since cos x < 1 for all x. The solution set is therefore {0.4365, 5.1641}. - __________________ F=MA 2.998*108ms-1 Ek = 1/2mv2 R D R R