SOLUTION: What is the sin & cos of 280 degrees and what is the steps to find it?

Algebra ->  Trigonometry-basics -> SOLUTION: What is the sin & cos of 280 degrees and what is the steps to find it?      Log On


   

Question 860846: What is the sin & cos of 280 degrees and what is the steps to find it?
Answer by josgarithmetic(39615) About Me  (Show Source):
You can put this solution on YOUR website!
280 degree is the same (referring to a unit circle) as NEGATIVE 50 degrees. This is not one of the typical convenient angles often used for reference, and seems to not be related to one of them. You would use table of trigonometric functions. The cosine is positive and sine is negative.