Find: Sin 30o

- Cursor to 30o on S

Find: Sin 60o

- Cursor to 60o on S

Find: 15 Sin 30o

- Cursor to 30o on S
- Slide to 15 on CI (on some rules, it may be necessary to flip them over)

Find: Sin 30o divided by 2

- Cursor to 30o on S
- Slide to 2 on C at cursor

Find the acute angle in a triangle whose hypotenuse is 3.5 and opposite side is 1.5.

- Since the sine is opposite side divided by hypotenuse, we can use the S scale to solve this problem directly.
- Left index of C to l.5 on D
- Cursor to 3.5 on CI (sine is 0.428 on D at cursor)