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1. |
If \[\tan \,(A+B)=p,\,\,\tan \,(A-B)=q,\] then the value of \[\tan \,2A\] in terms of p and q is [MP PET 1995, 2002] |
A. | \[\frac{p+q}{p-q}\] |
B. | \[\frac{p-q}{1+pq}\] |
C. | \[\frac{p+q}{1-pq}\] |
D. | \[\frac{1+pq}{1-p}\] |
Answer» D. \[\frac{1+pq}{1-p}\] | |