Editor
Editor
 Sep 18, 2022
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$16^{\circ}30'$=
Difficulty: Easy
A: 
$16.5^{\circ}$
B: 
$16.2^{\circ}$
C: 
$16.60^{\circ}$
D: 
$19.9^{\circ}$
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NETNUST Entry TestMathematicsTrigonometric Identities of Sum and Difference of Angles