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Select the correct options from the give...

Select the correct options from the given alternatives. The value of `cosAcos(60^@-A)cos(60^@+A)`is equal to………………..

A

`1/2cos3A`

B

`cos3A`

C

`1/4cos3A`

D

`4cos3A`

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Knowledge Check

  • Select the correct option from the given alternatives. The value of cos A cos(60^@ -A) cos (60^@ +A) is equal to

    A
    `1/2 cos 3A`
    B
    `cos 3A`
    C
    `1/4 cos 3A`
    D
    `4cos3A`

  • Select the correct answer from the given alternatives. The value of is

    A
    `2^(14) -1`
    B
    `2^(14) -14`
    C
    `2^(12)`
    D
    `2^(13) - 14`

  • Select the correct option from the given alternatives. The value of the expression

    A
    `-1`
    B
    0
    C
    `1/\sqrt{2}`
    D
    1

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