SOLUTION: If cos θ = c, then sinēθ/2 equals choices: 1) 1-c/2 2) 1+c/2 3) 1-c/c+c 4) 1-c/4

Algebra ->  Trigonometry-basics -> SOLUTION: If cos θ = c, then sinēθ/2 equals choices: 1) 1-c/2 2) 1+c/2 3) 1-c/c+c 4) 1-c/4      Log On


   

Question 742694: If cos θ = c, then sinēθ/2 equals
choices:
1) 1-c/2
2) 1+c/2
3) 1-c/c+c
4) 1-c/4
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
If cos θ = c, then sinēθ/2 equals
use x for θ
sin+%28x%2F2%29=sqrt%28%281-cos%28x%29%29%2F2%29
sin+%28x%2F2%29=sqrt%28%281-c%29%2F2%29
sin%5E2+%28x%2F2%29=%28%281-c%29%2F4%29