Question

************** metal plzz help ************
use a special right triangle to write each trigonometric ratios as a fraction use this 30,60,90
45,45,90

1. cos60=
2. tan30=
3;.sin45=

Answer 1

Use the unit circle.

Answer 2

can you solve them

Answer 3

1.= 1/2

Answer 4

2.= \[\sqrt{3}\]

Answer 5

3.= \[\sqrt{2}/2\]

Answer 6

Okay...a 30-60-90 triangle looks like



And a 45-45-90 triangle looks like