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 (49.8k points)   | 63 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 Jan 2017
  1. Debashish Deka

    8978 Points

  2. sudsho

    5326 Points

  3. Habibkhan

    4798 Points

  4. Bikram

    4676 Points

  5. Vijay Thakur

    4496 Points

  6. saurabh rai

    4222 Points

  7. Arjun

    4216 Points

  8. Sushant Gokhale

    3834 Points

  9. santhoshdevulapally

    3808 Points

  10. Kapil

    3736 Points

Monthly Topper: Rs. 500 gift card

19,229 questions
24,123 answers
20,323 users