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(1)/(cos 290^(@)) + (1)/(sqrt(3)sin 250^...

`(1)/(cos 290^(@)) + (1)/(sqrt(3)sin 250^(@)) = lambda "then" 3 lambda^(2) =`

A

16

B

4

C

`(4)/(sqrt(3))`

D

`(16)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
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