K Keri M New member May 22, 2010 #1 1. Find the roots of the polynominal equation: x^3 - 2x^2 + 2x - 15 = 0 2. Solve: sin 2x - sin x = 0 given that 0 </= x < 2pi 3. Show: sin 3x = 3 sin x - 4 sin^3 x [Hint: sin 3x = sin (2x + x)]
1. Find the roots of the polynominal equation: x^3 - 2x^2 + 2x - 15 = 0 2. Solve: sin 2x - sin x = 0 given that 0 </= x < 2pi 3. Show: sin 3x = 3 sin x - 4 sin^3 x [Hint: sin 3x = sin (2x + x)]
