Grade 12th passDifferential Calculus
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)
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)
