Trigonometri Contoh

$\frac{1}{\sec (x + 1)} + \frac{1}{\sec (x - 1)} = 2 \cot (x) \csc (x)$

Langkah 1

Gambarkan masing-masing sisi persamaannya.

$y = \frac{1}{\sec (x + 1)} + \frac{1}{\sec (x - 1)}$

$y = 2 \cot (x) \csc (x)$

Langkah 2