SOLUTION: 105° = 75° + 30° sin(105°)

Algebra ->  Trigonometry-basics -> SOLUTION: 105° = 75° + 30° sin(105°)      Log On


   

Question 855444: 105° = 75° + 30°
sin(105°)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
105° = 75° + 30°
sin(105°)
------------
sin(105) = sin(45 + 60)
= sin(45)cos(60) + cos(45)sin(60)
= sqrt%282%29%2F4+%2B+sqrt%286%29%2F4