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Number of solution of equation 2sinx/2co...

Number of solution of equation `2sinx/2cos^2x-2sinx/2sin^2x=cos^2x-sin^2xforx in [0,4pi]` is 6 (b) 1 (c) 2 (d) 3

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Knowledge Check

  • Number of solutions of equation 2"sin" x/2 cos^(2) x-2 "sin" x/2 sin^(2) x=cos^(2) x-sin^(2) x for x in [0, 4pi] is

    A
    6
    B
    8
    C
    10
    D
    12

  • The number of solutions of the equation sinx-sin2x+sin3x=2cos^(2)x-cosx" in "(0,pi) is

    A
    1
    B
    3
    C
    2
    D
    4

  • The number of solutions of the equation 2(sin^(4)2x+cos^(4)2x)+3sin^(2)xcos^(2)x=0 is

    A
    0
    B
    1
    C
    2
    D
    3

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