click below
click below
Normal Size Small Size show me how
Unit Circle
This is a stack to study the unit circle.
Question | Answer |
---|---|
COS(150) | negative (square root of 3)/2 |
SIN(240) | negative 1/2 |
COS (90) | 0 |
SIN(270) | -1 |
COS(60) | 1/2 |
COS(330) | (square root of 3)/2 |
SIN(240) | negative (square root of 3)/2 |
COS(120) | negative 1/2 |
SIN(225) | negative (square root of 2)/2 |
COS(225) | negative (square root of 2)/2 |
COS(270) | 0 |
SIN(0) | 0 |
COS(315) | (square root of 2)/2 |
COS(180) | -1 |
SIN(30) | 1/2 |
SIN(150) | 1/2 |
TAN(0) | 0 |
TAN(180) | 0 |
TAN(90) | undefined (can't divide by zero) |
SIN(60) | (square root of 3)/2 |
TAN(150) | negative (square root of 3)/3 |