SOLUTION: What's the Exact Value for Sin 390 degrees ?

Algebra ->  Trigonometry-basics -> SOLUTION: What's the Exact Value for Sin 390 degrees ?      Log On


   

Question 577614: What's the Exact Value for Sin 390 degrees ?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: 390 degrees is coterminal with 390 - 360 = 30 degrees, so the sine of 390 degrees is the same as the sine of 30 degrees.