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Formula
Calculate the value
Answer
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$\sin\left( \dfrac{ \pi }{ 2 } + \theta \right)$
$\cos\left( \theta \right)$
Simplify the expression
$\color{#FF6800}{ \sin\left( \dfrac { \pi } { 2 } + \theta \right) }$
$ $ Simplify the expression $ $
$\color{#FF6800}{ \cos\left( \theta \right) }$
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