SOLUTION: please help me: cos pi/6 + sin 5pi/6= HERE THE POSSIBLE ANSWERS: a)(1-square root of 3)/2 b)(square root + 1)/2 c)(square root -1)/2

Algebra ->  Trigonometry-basics -> SOLUTION: please help me: cos pi/6 + sin 5pi/6= HERE THE POSSIBLE ANSWERS: a)(1-square root of 3)/2 b)(square root + 1)/2 c)(square root -1)/2      Log On


   

Question 242737: please help me:
cos pi/6 + sin 5pi/6=
HERE THE POSSIBLE ANSWERS:
a)(1-square root of 3)/2
b)(square root + 1)/2
c)(square root -1)/2
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
cos pi/6 + sin 5pi/6=
= sqrt(3)/2 + 1/2
= %28sqrt%283%29+%2B+1%29%2F2