## Trigonometry (11th Edition) Clone

$V = 163~cos(\omega~t-\frac{\pi}{2})$
$sin(\theta) = cos(\theta-\frac{\pi}{2})$ We can express $V$ in terms of cosine: $V = 163~sin(\omega~t)$ $V = 163~cos(\omega~t-\frac{\pi}{2})$