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The value of 3 sin (1/2 arc cos 1/9) +4...

The value of `3 sin (1/2 arc cos 1/9) +4 cos (1/2 arc cos 1/8) equal to

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Knowledge Check

  • 8 cos ^(4) x - 8 cos ^(2) x + 1 is equal to

    A
    cos4x
    B
    sin4x
    C
    cos2x-sin 4x
    D
    cos2x+sin 4x

  • The value of cos (1/2 cos^(-1) . 1/8) is equal to

    A
    `3//4`
    B
    `-3//4`
    C
    `1//16`
    D
    `1//4`

  • The value of sin^(-1) (sin 12) + cos^(-1) (cos 12) is equal to

    A
    zero
    B
    `24 - 2pi`
    C
    `4pi -24`
    D
    none of these

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    Find the value of : arc sin (1/2) + arc cos (1/2)

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    Find the sum of all possible values of x satisfying arc cos((2)/(pi) arc cos x)=arc sin((2)/(pi) arc sinx) .

    The value of sin^(-1) (sin 12) - cos^(-1) (cos12) is equal to :

    If ( sin^(4) A)/( a ) + ( cos ^(4) A )/( b) = ( 1)/( a+b) ,then the value of ( sin ^(8) A )/( a^(3)) + ( cos ^(8) A )/( b^(3)) is equal to

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