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Aptitude(Recruitment Ques)
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The value of $\sin 120^{o}+\sin 780^{o}\cos 360^{o}$
$=(\sin (90^{o}\times 2)60^{o})+\left ( \sin \left ( 90^{o}\times 8 \right )+60^{o} \right )\left ( \cos (90^{o}\times 4)+0^{o} \right )$
$=\frac{\sqrt{3}}{2}+\frac{\sqrt{3}}{2}1=0.73$
right??
generalaptitude
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Numerical Ability
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May 28
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You can use a calculator to verify these things.
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