tg  $\alpha$  

 $\cos\ \alpha$  

sen  $\alpha$  

cotg  $\alpha$  

$2\pi$

$\pi$

2

$4\pi$

$2\pi$

$\pi$

2

$4\pi$

$sen\ \alpha\ +\ \cos\ \alpha\ =\ 1$

$sen^2\alpha\ -\ \cos^2\alpha\ =\ 1$

$sen^2\alpha\ +\ \cos^2\alpha\ =\ 1$

$sen\ \alpha\ -\ \cos\alpha\ =\ 1$

 $\frac{1}{\cos\ \alpha}$  

 $\frac{1}{sen\ \alpha}$  

 $\frac{1}{tg\ \alpha}$  

 $\frac{1}{\sec\ \alpha}$  

 $\frac{1}{\cos\ \alpha}$  

 $\frac{1}{sen\ \alpha}$  

 $\frac{1}{tg\ \alpha}$  

 $\frac{1}{\sec\ \alpha}$  

 $\frac{1}{\cos\ \alpha}$  

 $\frac{1}{\cot g\ \alpha}$  

 $\frac{1}{tg\ \alpha}$  

 $\frac{1}{\sec\ \alpha}$  

$\frac{1}{\cos\ \alpha}$

$\frac{1}{\cot g\ \alpha}$

$\frac{1}{tg\ \alpha}$

$\frac{1}{\sec\ \alpha}$

$\frac{1}{\cos\ \alpha}$

$\frac{1}{\cot g\ \alpha}$

 $\frac{1}{sen\ \alpha}$ 

$\frac{1}{\sec\ \alpha}$

 $1\ -\ sen^2\alpha$  

 $1\ -\ \cos^2\alpha$ 

 $1\ +\ sen^2\alpha$ 

 $1\ +\ \cos^2\alpha$