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1. |
If tan (a b) = 1, sec (a + b) = 2/ |
A. | <table><tr><td rowspan="2">142</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1 </center></td></tr><tr><td style="text-align: center;">2</td></tr></table> |
B. | <table><tr><td rowspan="2">187</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1 </center></td></tr><tr><td style="text-align: center;">2</td></tr></table> |
C. | <table><tr><td rowspan="2">7</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1 </center></td></tr><tr><td style="text-align: center;">2</td></tr></table> |
D. | <table><tr><td rowspan="2">37</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1 </center></td></tr><tr><td style="text-align: center;">2</td></tr></table> |
Answer» E. | |