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what is sin(0)?
0
what is sin(30)?
1/2
what is sin(45)?
1/root 2
what is sin(60)?
root 3/2
what is sin(90)?
1
what is cos(0)?
1
what is cos(30)?
root 3/2
what is cos(45)?
1/root 2
what is cos(60)?
1/2
what is cos(90)?
0
tan(0)
0
tan(30)
1/root 3
what is tan(45)?
1
what is tan(60)?
root 3
what is tan(90)?
undefined
what is the geometric sequence formula?
a rn-1
when do you have to flip the inequalities sign?
when you multiply or divide by a negative number