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Q.
If sin 2x = n sin 2y then tan(x + y)/ tan(x - y) =
A.
n-1/n+1
B.
1-n/1+n
C.
1+n/1-n
D.
n+1/n-1
E.
None of the above
View Answer
Correct choice: D
Explanation:
None
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