Trigonometry Examples

$\tan (65) - \frac{\sin (65)}{\cos (65)}$

Step 1

Rewrite $\tan (65)$ in terms of sines and cosines.

$\frac{\sin (65)}{\cos (65)} - \frac{\sin (65)}{\cos (65)}$

Step 2

Combine the numerators over the common denominator.

$\frac{\sin (65) - \sin (65)}{\cos (65)}$

Step 3

Subtract $\sin (65)$ from $\sin (65)$ .

$\frac{0}{\cos (65)}$

Step 4

Divide $0$ by $\cos (65)$ .

$0$