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Formula
Calculate the value
Answer
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$$\cos\left( \dfrac { \pi } { 2 } \right)$$
$0$
Simplify the expression
$\color{#FF6800}{ \cos\left( \color{#FF6800}{ \dfrac { \color{#FF6800}{ \pi } } { \color{#FF6800}{ 2 } } } \right) }$
$\cos(\dfrac{\pi}{2}) $ is $ 0$
$\color{#FF6800}{ 0 }$
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