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If (sec theta+tan theta)/(sec theta-tan ...

If `(sec theta+tan theta)/(sec theta-tan theta)=5`, and `theta` is an acute angle, then the value of `(3 cos^2 theta+1) /(3 cos^2 theta-1)` is:
यदि `(sec theta+tan theta)/(sec theta-tan theta)=5`, तो `(3 cos^2 theta+1) /(3 cos^2 theta-1)` का मान ज्ञात करें जहाँ `theta` एक न्यून कोण है

A

3

B

2

C

1

D

4

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