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 (55.5k points)   | 94 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 Jul 2017
  1. Bikram

    3960 Points

  2. manu00x

    2464 Points

  3. Debashish Deka

    1848 Points

  4. joshi_nitish

    1654 Points

  5. Arjun

    1290 Points

  6. Hemant Parihar

    1184 Points

  7. Arnab Bhadra

    1100 Points

  8. Shubhanshu

    1052 Points

  9. Ahwan

    900 Points

  10. rahul sharma 5

    702 Points

24,018 questions
30,955 answers
29,337 users