How do you use a calculator to evaluate $sin (- \frac{17 π}{15})$ $sin(-(17pi)/15)$ ?

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Answer 1 · 2018-06-27T04:10:30

$\approx 0.40674$ $approx 0.40674$

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

How do you use a calculator to evaluate sin(−17π15)sin(-(17pi)/15)?