Study the diagram of the unit circle below right, in which VW = 0.62. Homework Help ✎
Find sin θ.
Find cos θ.
α is another angle with the same sine as θ, but a different cosine. What quadrant is α in?
β is another angle with the same cosine as θ, but a different sine. What quadrant is β in?
In a unit circle, what is the radius?
You have two sides of a right triangle. Find the third side, which is the x-coordinate.
In Quadrant III, sine and cosine are both negative.
In which quadrant is sine negative and cosine positive?
In which quadrant is cosine negative and sine positive.