Chapter 9+10+11

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Chapter 9+10+11
Chapter 9+10+11
MCQ's from chapter 9, chapter 10 and chapter 11 mathematics book I


1. The equation of vertical asymptote of y=cosecx is:
    A) x=0
    B) y=0
    C) x=pi
    D) y=infinity


2. The period of the trigonometric function y=sin x cosx is:

    A) 2 pi
    B) pi
    C) 4 pi
    D) pi/2


3. The number of x-intercepts of y=sinx in its period

    A) 0
    B) 1
    C) 2
    D) 3


4. The domain of y=tanx is the set of real numbers except

    A) x = npi
    B) x=(2n+1)pi/2
    C) x=n pi/2
    D) x=(2n+1)pi


5. The trigonometric functions are continuous whenever

    A) they are defined
    B) their limit exist
    C) their period is given
    D) all are incorrect


6. A railway train is running on a circular track of radius 500 meters at the rate o0f 30 km/h. Through what angle will it turn in 1 sec.

    A) 1/6 rad
    B) 1/60 rad
    C) 1/10 rad
    D) 6 rad


7. If pi<@<3pi/2 then cos@+sin@ is always

    A) negative
    B) positive
    C) negative or positive
    D) 0


8. An arc AB of length 5 cm is marked on a circle of radius 3 cm the area of the sector

    A) 7.5 cm^2
    B) 7.5 m^2
    C) 75 cm^2
    D) 75 m^2


9. .

    A)
    B)
    C)
    D)


10. If a,b,c are the angles of a triangle ABC then cotacotb+cotbcotc+cotccota=

    A) 3
    B) 2
    C) 1
    D) 0


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2 comments:

  1. the numbr of x-interceps of y=sinx in its period...... can you please explain it........?

    ReplyDelete
  2. graph banao na tu pta lg jae ga easily nae tu jin pa y zero hta h hai wo x_axiius pa hu gi wo find krne h wo 0,2pi r -2pi hn

    ReplyDelete

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