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The value of (cot30^(@)-cot75^(@))/(tan1...

The value of (cot30^(@)-cot75^(@))/(tan15^(@)-tan60^(@)))` is

A

0

B

1

C

`sqrt(3)-1`

D

`-1`

लिखित उत्तर

Verified by Experts

The correct Answer is:
d

`(cot30^(@))/(tan15^(@)-tan60^(@))`
`=(tan60^(@)-tan15^(@))/(tan15^(@)-tan60^(@))`
`=(-(tan15^(@)-tan60^(@)))/(tan15^(@) -tan60^(@))=-1`
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