Trigonometri Contoh

$f (x) = 2 \cos (t) - \cos (t) - 1$

Langkah 1

Kurangi $\cos (t)$ dengan $2 \cos (t)$ .

$f (x) = \cos (t) - 1$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$