- If sin x 0.74, what are the two possible values of cos x?
- Sketch a graph of yx cos.
- The sine and cosine of an angle x are both negative. What can you say about the possible values of x?
- Which is larger: sin 65° or sin 130°?
- Which is larger: sin 80° or cos 100°?
greg delong
(Greg DeLong)
#1