Trigonometry Examples

$\cos (2.3) \sec (2.3)$

Step 1

Reorder $\cos (2.3)$ and $\sec (2.3)$ .

$\sec (2.3) \cos (2.3)$

Step 2

Rewrite $\cos (2.3) \sec (2.3)$ in terms of sines and cosines.

$\frac{1}{\cos (2.3)} \cos (2.3)$

Step 3

Cancel the common factors.

$1$