1.

If cos 27 = x, the value of tan63 is

A. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>x</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">1 - x </span></td></tr></table>
B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>x</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">1 + x </span></td></tr></table>
C. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">1 - x </span></center></td></tr><tr><td style="text-align: center;">x</td></tr></table>
D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">1 + x </span></center></td></tr><tr><td style="text-align: center;">x</td></tr></table>
Answer» B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>x</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">1 + x </span></td></tr></table>


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