1.

If 4x 4x sec + 1 = 0, then sec + tan = ?

A. 2x
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2x</td></tr></table>
C. 3x
D. <table><tr><td rowspan="2"> 2x or </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;">2x</td></tr></table>
Answer» E.


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