Unit Circle
What is the cosine of π?
-1
What is the sine of 3π/2?
-1
What is the cosine of 2π/3?
-1/2
What is the cosine of 4π/3?
-1/2
What is the sine of 11π/6?
-1/2
What is the sine of 7π/6?
-1/2
What is the cosine of 3π/4?
-√2/2
What is the cosine of 5π/4?
-√2/2
What is the sine of 5π/4?
-√2/2
What is the sine of 7π/4?
-√2/2
What is the cosine of 5π/6?
-√3/2
What is the cosine of 7π/6?
-√3/2
What is the sine of 4π/3?
-√3/2
What is the sine of 5π/3?
-√3/2
What is the cosine of 3π/2?
0
What is the cosine of π/2?
0
What is the sine of 0?
0
What is the sine of 2π?
0
What is the sine of π?
0
What is the cosine of 0?
1
What is the cosine of 2π?
1
What is the sine of π/2?
1
What is the cosine of 5π/3?
1/2
What is the cosine of π/3?
1/2
What is the sine of 5π/6?
1/2
What is the sine of π/6?
1/2
What is the cosine of 7π/4?
√2/2
What is the cosine of π/4?
√2/2
What is the sine of 3π/4?
√2/2
What is the sine of π/4?
√2/2
What is the cosine of 11π/6?
√3/2
What is the cosine of π/6?
√3/2
What is the sine of 2π/3?
√3/2
What is the sine of π/3?
√3/2