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Formula
Solve the equation
Answer
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Graph
$y = \cos\left( x \right)$
$y = 0$
$x$Intercept
$\left ( \dfrac { \pi } { 2 } , 0 \right )$, $\left ( \dfrac { 3 \pi } { 2 } , 0 \right )$
$y$Intercept
$\left ( 0 , 1 \right )$
$\cos\left( x \right) = 0$
$x = \dfrac { \pi } { 2 } + n \pi \left ( n \in \mathbb {Z} \right )$
Solve the equation
$\color{#FF6800}{ \cos\left( x \right) } = \color{#FF6800}{ 0 }$
$ $ The value of $ t $ that satisfies $ \cos(t) = 0 $ is $ \dfrac{\pi}{2}+n\pi $ (however, $ n $ is an integer) $ $
$\color{#FF6800}{ x } = \color{#FF6800}{ \dfrac { \pi } { 2 } } \color{#FF6800}{ + } \color{#FF6800}{ n } \color{#FF6800}{ \pi } \left ( n \in \mathbb {Z} \right )$
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