Question 855445
Find the exact values of the sine, cosine, and tangent of the angle. 
195° = 240° − 45°
sin(195°)
---
ain(A - B) = sin(A)cos(B) - sin(B)cos(A)

105° = 75° + 30° *** what about it?
------------
sin(195°)
195 = 150 + 45
ain(A + B) = sin(A)cos(B) + sin(B)cos(A)