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The value of cotx+cot(60^@+x)+cot(120^@+...

The value of `cotx+cot(60^@+x)+cot(120^@+x)` is equal to

A

`cot 3x`

B

`tan3x`

C

`3tan 3x`

D

`(3-9tan^(2)x)/(3tanx-tan^(3)x)`

Text Solution

Verified by Experts

The correct Answer is:
D
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