Find cos(x) and/or sin(x)
The cos(π/4)
√2/2
The tan(π/3)
√3
(90°)
π/2
(-2π)
-360°
Convert -225° to exact radians
-5π/4
The sin(-120°)
√3/2
The tan(-2π/3)
√3
(-330°)
-11π/6
(-5π/4)
-135°
Convert 8π/5 to degrees (to the nearest whole number)
288°
The cos(750°)
√3/2
The tan(-225°)
-1
(-120°)
-2π/3
(4π/3)
(300°)
Convert -6π/7 to degrees (to the nearest whole number)
-154°
The sin(-7π/2)
1
The tan(540°)
Undefined
(135°)
3π/4
(13π/4)
585°
Convert 19° to exact radians
19π/180
The cos(14π/3) and sin(14π/3)
cos(14π/3)= -1/2
sin(14π/3)= √3/2
The tan(-100°-35°)
1
(432°+108°)
3π
(41π/6)
1230°
2.25 radians to degrees (to the nearest tenth)
128.9°