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. \[\tan A+\tan C-\tan B\] | |