1. Which of the following is equivalent to u= -cost+√3 sint? A)u=2cos(t+ 2Π/3).B)u=1/2 cos(t+ 2Π/3). C)u=2cos(t - 2Π/3).D)u=1/2 cos(t - 2Π/3) 2. Which of the following products of trigonometric function of differential frequency is equation to cosΠt + cos2Πt ? A) 2cos(Π/2 t)sin(Π/2 t)b) 2cos(3Π/2 t)cos(Π/2 t)C) 2cos(3Π/2 t)cos(3Π/2 t)d) 2sin(3Π/2 t)cos(Π/2 t)

sana , 6 Years ago

Grade 12th pass