sin(0)
0
cos(0)
1
tan(0)
0
sin(π/6)
1/2
cos(π/6)
√(3) / 2
tan(π/6)
1 / √(3)
sin(π/4)
√(2) / 2
cos(π/4)
√(2) / 2
tan(π/4)
1
sin(π/3)
√(3) / 2
cos(π/3)
1/2
tan(π/3)
√(3)
sin(π/2)
1
cos(π/2)
0
tan(π/2)
DNE
in which quadrant is (x, y)?
1st
in which quadrant is (-x, y)?
2nd
in which quadrant is (-x, -y)?
3rd
in which quadrant is (x, -y)?
4th
which quadrant is 0 to 0.5 π?
1st
which quadrant is 0.5 π to π?
2nd
which quadrant is π to 1.5π?
3rd
which quadrant is 1.5π to 2π?
4th