1.

The expression of cot + cosec - 1 is equal to cot - cosec + 1

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1 + cos </center></td></tr><tr><td style="text-align: center;">sin </td></tr></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1 - cos </center></td></tr><tr><td style="text-align: center;">sin </td></tr></table>
C. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>cot + 1</center></td></tr><tr><td style="text-align: center;">cosec </td></tr></table>
D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>cot - 1</center></td></tr><tr><td style="text-align: center;">cosec </td></tr></table>
E. None of these
Answer» F.


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