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| 1. |
If tan (A B) = x, then the value of x is |
| A. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>(tanA + tan B)</center></td></tr><tr><td style="text-align: center;">(1 - tanA tanB)</td></tr></table> |
| B. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>(tanA + tan B)</center></td></tr><tr><td style="text-align: center;">(1 + tanA tanB)</td></tr></table> |
| C. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>(tanA - tan B)</center></td></tr><tr><td style="text-align: center;">(1 - tanA tanB)</td></tr></table> |
| D. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>(tanA - tan B)</center></td></tr><tr><td style="text-align: center;">(1 + tanA tanB)</td></tr></table> |
| Answer» E. | |