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Evaluate : cos1^(@)cos2^(@)cos3^(@). . ...

Evaluate : `cos1^(@)cos2^(@)cos3^(@). . . cos179^(@)`

A

`-1`

B

0

C

1

D

`1/sqrt2`

Text Solution

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The correct Answer is:
B
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The value of cos1^(@)cos2^(@)cos3^(@)...cos179^(@) is

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Knowledge Check

  • Find the value of cos1^(@).cos2^(@).cos3^(@).cos90^(@)

    A
    `-1`
    B
    0
    C
    1
    D
    `alpha`

  • The value of cos 1^(@) cos 2^(@) cos 3^(@) "…….." cos 179^(@) is

    A
    `1//sqrt(2)`
    B
    0
    C
    1
    D
    none of these

  • What is the value of cos1^(@) cos2^(@)cos3^(@).....cos270^(@) ?

    A
    a)`(1)/(2)`
    B
    b)`0`
    C
    c)`1`
    D
    d)`2`

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    What is the value of "cos"1^(@)"cos"2^(@)"cos"3^(@)…"cos"90^(@) ?

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