First time here? Checkout the FAQ!
0 votes
Function f(x) = |cos x| is

(A) Continuous only in [0, π/2]
(B) Continuous only in [−π/2, π/2]
(C) Continuous only in [−π, π]
(D) None
asked in Set Theory & Algebra by Veteran (51.7k points)   | 73 views
answer is C?

continuous function 

@Pavan No, ans D)

@Debasish yes, then what?
it is continuous every where from graph we can say clearly
but it takes mod,

what is difference between cos x and |cos x| ?

see in the graph any where any certain point has two values no and any point function value is not defined no so the function is continuous this is a example of discontinuous at x0 different values are there

Please log in or register to answer this question.

Top Users Feb 2017
  1. Arjun

    5224 Points

  2. Bikram

    4230 Points

  3. Habibkhan

    3748 Points

  4. Aboveallplayer

    2986 Points

  5. Debashish Deka

    2356 Points

  6. sriv_shubham

    2298 Points

  7. Smriti012

    2142 Points

  8. Arnabi

    1998 Points

  9. sh!va

    1654 Points

  10. mcjoshi

    1628 Points

Monthly Topper: Rs. 500 gift card

20,832 questions
25,986 answers
22,042 users