

MCQOPTIONS
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1. |
If \[A+C=B,\] then \[\tan A\,\tan B\,\tan C=\] [EAMCET 1986] |
A. | \[\tan A\,\tan B+\tan \,C\] |
B. | \[\tan \,B-\tan \,C-\tan \,A\] |
C. | \[\tan A+\tan C-\tan B\] |
D. | \[-\,(\tan A\tan B+\tan C)\] |
Answer» C. \[\tan A+\tan C-\tan B\] | |