Question 845566
If you mean radians:
19pi/6 = 2pi + 7pi/6
sin(19pi/6) = sin(7pi/6)
= -0.5
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You can use a calculator and enter 19pi/6.
Or, convert to degrees
19pi/6 radians = 570 degs
sin(570) = -0.5 via a calculator
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The trick is to DO SOMETHING.