Sine

Cosine

Tangent

Pythagorean Theorem

Sine

Cosine

Tangent

Pythagorean Theorem

45-45-90

Pythagorean Theorem

Triangle Angle Sum

30-60-90

$6^2+b^2=a^2$

$a=6\times2,\ b=6\times\sqrt{3}$

$a=6\times\sqrt{2},\ b=6$

$\cos30\degree=\frac{b}{a}$

$16^2+x^2=70^2$

$\sin70\degree=\frac{16}{x}$

$\cos70\degree=\frac{x}{16}$

$\tan70\degree=\frac{x}{16}$

 $4+3+x=180$  

 $4^2+3^2=x^2$  

 $x^2+3^2=4^2$  

 $x=3\ \left(45-45-90\right)$  

$\sin?=\frac{19}{49}$

$\cos?=\frac{49}{19}$

$\tan?=\frac{49}{19}$

$\tan?=\frac{19}{49}$

$\cos?=\frac{19}{49}$

41

27.4

0.6561

11.8

$2\sqrt{74}$

$4\sqrt{6}$

96

24

.5926

36.3

53.7

30.7

28

7

$14\sqrt{3}$

$14\sqrt{2}$