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(cos 9^(circ)+sin 9^(0))/(cos 9^(circ)-s...

`(cos 9^(circ)+sin 9^(0))/(cos 9^(circ)-sin 9^(circ))=`

A

`tan 26^(circ)`

B

`tan 81^(circ)`

C

`tan 54^(circ)`

D

`tan 18^(circ)`

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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
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