1.

The maximum value of sin

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">3</td></table>
B.
C. 1
D. 2
E. 3
Answer» C. 1


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