1.

Ifcos = n andcos = m , then the vlaue of cos issin cos

A. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>m </center></td><td rowspan="2"></td></tr><td align="center">m + n </td></table>
B. <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">m + n </td></table>
C. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>n </center></td><td rowspan="2"></td></tr><td align="center">m + n </td></table>
D.
E. 0
Answer» D.


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