(cos18^(@)+sin18^(@))/(cos18^(@)-sin18^(...

`(cos18^(@)+sin18^(@))/(cos18^(@)-sin18^(@))` का मान ज्ञात कीजिए-

A

`tan18^(@)`

B

`sec63^(@)`

C

`cos18^(@)`

D

`tan63^(@)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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