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Mathematics 38 Online
OpenStudy (anonymous):

sin (pi/2)

OpenStudy (anonymous):

it's 1

OpenStudy (anonymous):

Think of it like this. sin(pi) is going to equal 0. 3.14 (pi) radians = 180 degrees, so pi/2 radians = 90 degrees. Sine at 90 degrees will be 1. :)

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