SOLUTION: rewrite 2cos75 sin75 using a double-angle identity a. 2sin75 b. cos75 c. sin150 d. cos150 e. sin75

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: rewrite 2cos75 sin75 using a double-angle identity a. 2sin75 b. cos75 c. sin150 d. cos150 e. sin75      Log On


   

Question 1170368: rewrite 2cos75 sin75 using a double-angle identity
a. 2sin75
b. cos75
c. sin150
d. cos150
e. sin75
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
This is sin 150.
sin 2a=2 cos a* sin a