SOLUTION: The Problem: Without a calculator, give the signs of cos3, sin4, and sin-4. What does "sign" mean. Does it just mean if it is positive or negative?

Algebra ->  Trigonometry-basics -> SOLUTION: The Problem: Without a calculator, give the signs of cos3, sin4, and sin-4. What does "sign" mean. Does it just mean if it is positive or negative?      Log On


   

Question 1191859: The Problem: Without a calculator, give the signs of cos3, sin4, and sin-4. What does "sign" mean. Does it just mean if it is positive or negative?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The Problem: Without a calculator, give the signs of cos3, sin4, and sin-4. What does "sign" mean. Does it just mean if it is positive or negative?
--------------------------
Sign mean positive or negative.
----
IDK what "cos3, sin4, and sin-4" means.