Question

I am trying to find sin(3t) converted to decimals. I just want to make sure I am correct. For 30 degree i have 1, 45=.7, 60=-1, 90=.07 and 120=0

Answer 1

for 60, sin(3t) = sin(180) = 0

Answer 2

for 90, sin(3t) = sin(270) = sin(-90) = -1