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MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
Find the exact value if cos a = — g and 130* q a a: 2'70“ . Select the best answer.
12. sing
filfl+fi¥5
0—6
1 3131's Fa
0—6
1f18+fi~§5
O—T
18+fl 5
13. meg
1318+fi;;5
D 5
18—5 5
D E
1f13+fi$5
D _T
123—6 E:
D _ IE
1.4+ tang
D «3575
3— 5
3+ 5
C} — awe
O _ W— 5
1f3+;;5
W— 5
O
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