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cot 15^(@) + cot 75^(@) + cot 315^(@) =...

`cot 15^(@) + cot 75^(@) + cot 315^(@) =`

A

0

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • cot 15^@ + cot 75^@ + cot 135^@ =

    A
    0
    B
    1
    C
    2
    D
    3

  • tan 75^(@) - cot 75^@=

    A
    `2sqrt(3)`
    B
    `3sqrt(2)`
    C
    `3`
    D
    1

  • Tan75^(@) - Cot75^(@) =

    A
    `3sqrt(2)`
    B
    `2sqrt(3)`
    C
    1
    D
    4

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