Answer:
If sin 115 degrees≈ 0.91 and cos 115 degrees = -0.42, then sin -115 = -0.91 and cos -115 degrees = 0.42
Step-by-step explanation:
It is 2/18 I hope I can help
The correct answer is B. Supplementary
That is the basic definition of what supplementary angles are and can be found in any textbook.
3.1,3.2,3.3,3.4,3.5,3.6,3.7,3.8
