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Find the value of expression 1 / (cos 2...

Find the value of expression ` 1 / (cos 290^@) + 1 / (sqrt3 sin 250^@)`

A

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

B

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

C

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

D

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

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The correct Answer is:
B
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