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 Sep 18, 2022
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If x-axis is rotated through an angle $\theta$, then after rotation x=
Difficulty: Easy
A: 
$y \cos \theta -x\sin \theta$
B: 
$y \sin\theta -x\cos\theta$
C: 
$y \sin\theta +x\cos\theta$
D: 
$y \cos \theta +x\sin \theta$
NETNUST Entry TestMathematicsIntroduction to Analytical Geometry