Question

which of the following is/are continuous. [[.] is GIF]

• A. cos[x]
• B. sin π [x]
• C. sin $- \frac{3}{2}$ [x]
• D. None of these

Answer 1

Answer: (B)

sin π $x$

Answer 2

f(x) = sin π[x]. As [x] ∈I. So always f(x) = 0