Period of the function cos{(x + 3)−[x + 3]}, where [x] denotes the integral part of x is |
1 2 π 2π |
1 |
x − [x] is a periodic function with period 1. ∴ (x + 3)−[x + 3] is a periodic function with period 1. ∴ cos{(x + 3)−[x + 3]} is a periodic function with period 1. |