यदि 3 cos^(2) A + 7 sin^(2) A = 4 है और ...

यदि `3 cos^(2) A + 7 sin^(2) A = 4` है और A न्यून कोण (Acute angle) दिया गया है, तो cot A का मान होगा :

A

1

B

`sqrt(3)`

C

`(sqrt(3))/(2)`

D

`(1)/(sqrt(3))`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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