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The equation 3 cos^(-1) x - pi x - (pi)/...

The equation `3 cos^(-1) x - pi x - (pi)/(2) =0`has

A

one solution

B

one and only one solution

C

no solution

D

more than one solution

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • 3 cos^(-1)x - pi//x - pi//2=0 for

    A
    one solution
    B
    one and only one solution
    C
    no solution
    D
    more than one solution

  • The number of solutions of the equation cos^(2)((pi)/(3)cos x - (8pi)/(3))=1 in the interval [0,10pi] is

    A
    1
    B
    3
    C
    5
    D
    7

  • The sum of the solutions in (0,2pi) of the equation cos x cos(pi/3-x) cos (pi/3+x)=1/4 is

    A
    `4 pi`
    B
    `pi`
    C
    `2 pi`
    D
    `3 pi`

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