Which of the following statements is/are true:
1. sin x is a periodic function with period 2π
2. cos x is a periodic function with period 2π
1
Only 1
2
Only 2
3
Both 1 and 2
4
Neither 1 nor 2
Which of the following statements is/are true:
1. sin x is a periodic function with period 2π
2. cos x is a periodic function with period 2π