En

En ([2],[3],[4],[5]) se calculan algunas de las funciones que volveremos a presentar aquí.

Angulo A en grados	Angulo A en radianes	sen A	cos A	tg A	cotg A	sec A	cosec A
0^o	0	0	1	0	$\infty$	1	$\infty$
15^o	$\pi$ /12	$\displaystyle {1\over 4}$ $\displaystyle \left(\vphantom{ \sqrt{6}+\sqrt{2} }\right.$ $\displaystyle \sqrt{6}$ + $\displaystyle \sqrt{2}$ $\displaystyle \left.\vphantom{ \sqrt{6}+\sqrt{2} }\right)$	$\displaystyle {1\over 4}$ $\displaystyle \left(\vphantom{ \sqrt{6}+\sqrt{2} }\right.$ $\displaystyle \sqrt{6}$ + $\displaystyle \sqrt{2}$ $\displaystyle \left.\vphantom{ \sqrt{6}+\sqrt{2} }\right)$	2 - $\sqrt{3}$	2 + $\sqrt{3}$	$\sqrt{6}$ - $\sqrt{2}$	$\sqrt{6}$ + $\sqrt{2}$
30^o	$\pi$ /6	1 $\over$ 2	$\displaystyle {1\over 2}$ $\displaystyle \sqrt{3}$	$\displaystyle {1\over 3}$ $\displaystyle \sqrt{3}$	$\sqrt{3}$	$\displaystyle {2\over 3}$ $\displaystyle \sqrt{3}$	2
45^o	$\pi$ /4	$\displaystyle {1\over 2}$ $\displaystyle \sqrt{2}$	$\displaystyle {1\over 2}$ $\displaystyle \sqrt{2}$	1	1	$\sqrt{2}$	$\sqrt{2}$
60^o	$\pi$ /3	$\displaystyle {1\over 2}$ $\displaystyle \sqrt{3}$	1 $\over$ 2	$\sqrt{3}$	$\displaystyle {1\over 3}$ $\displaystyle \sqrt{3}$	2	$\displaystyle {2\over 3}$ $\displaystyle \sqrt{3}$
75^o	5 $\pi$ /12	$\displaystyle {1\over 4}$ $\displaystyle \left(\vphantom{ \sqrt{6}+\sqrt{2} }\right.$ $\displaystyle \sqrt{6}$ + $\displaystyle \sqrt{2}$ $\displaystyle \left.\vphantom{ \sqrt{6}+\sqrt{2} }\right)$	$\displaystyle {1\over 4}$ $\displaystyle \left(\vphantom{ \sqrt{6}-\sqrt{2} }\right.$ $\displaystyle \sqrt{6}$ - $\displaystyle \sqrt{2}$ $\displaystyle \left.\vphantom{ \sqrt{6}-\sqrt{2} }\right)$	2 + $\sqrt{3}$	2 - $\sqrt{3}$	$\sqrt{6}$ + $\sqrt{2}$	$\sqrt{6}$ - $\sqrt{2}$
90^o	$\pi$ /2	1	0	± $\infty$	0	± $\infty$	1

Angulo A
en grados

Angulo A
en radianes

sen A

cos A

tg A

cotg A

sec A

cosec A

0^o

$\infty$

15^o

$\pi$ /12

$\displaystyle {1\over 4}$ $\displaystyle \left(\vphantom{ \sqrt{6}+\sqrt{2} }\right.$ $\displaystyle \sqrt{6}$ + $\displaystyle \sqrt{2}$ $\displaystyle \left.\vphantom{ \sqrt{6}+\sqrt{2} }\right)$

2 - $\sqrt{3}$

2 + $\sqrt{3}$

$\sqrt{6}$ - $\sqrt{2}$

$\sqrt{6}$ + $\sqrt{2}$

30^o

$\pi$ /6

1 $\over$ 2

$\displaystyle {1\over 2}$ $\displaystyle \sqrt{3}$

$\displaystyle {1\over 3}$ $\displaystyle \sqrt{3}$

$\sqrt{3}$

$\displaystyle {2\over 3}$ $\displaystyle \sqrt{3}$

45^o

$\pi$ /4

$\displaystyle {1\over 2}$ $\displaystyle \sqrt{2}$

$\sqrt{2}$

60^o

$\pi$ /3

$\displaystyle {1\over 2}$ $\displaystyle \sqrt{3}$

1 $\over$ 2

$\sqrt{3}$

$\displaystyle {1\over 3}$ $\displaystyle \sqrt{3}$

$\displaystyle {2\over 3}$ $\displaystyle \sqrt{3}$

75^o

5 $\pi$ /12

$\displaystyle {1\over 4}$ $\displaystyle \left(\vphantom{ \sqrt{6}+\sqrt{2} }\right.$ $\displaystyle \sqrt{6}$ + $\displaystyle \sqrt{2}$ $\displaystyle \left.\vphantom{ \sqrt{6}+\sqrt{2} }\right)$

$\displaystyle {1\over 4}$ $\displaystyle \left(\vphantom{ \sqrt{6}-\sqrt{2} }\right.$ $\displaystyle \sqrt{6}$ - $\displaystyle \sqrt{2}$ $\displaystyle \left.\vphantom{ \sqrt{6}-\sqrt{2} }\right)$

2 + $\sqrt{3}$

2 - $\sqrt{3}$

$\sqrt{6}$ + $\sqrt{2}$

$\sqrt{6}$ - $\sqrt{2}$

90^o

$\pi$ /2

± $\infty$