Question

How do you use a calculator to evaluate `sin(-(17pi)/15)`?

Answer 1

`approx 0.40674`

Explanation:

Assuming your calculator has radians capabilities, trig functions and a key for `pi`, follow these steps:

1. Select Radians
2. `17 div 15`
3. `xx pi`
4. Change sign
5. Select Sin function `approx 0.40674`