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1. |
The value of (tan35 tan45 tan55 ) is |
A. | <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"></td></tr><td align="center">2</td></table> |
B. | 2 |
C. | 0 |
D. | 1 |
Answer» E. | |