SOLUTION: Prove that the following equations is an Identity 1/1-cos C + 1/1+cos C = 2csc^2 C

Algebra ->  Trigonometry-basics -> SOLUTION: Prove that the following equations is an Identity 1/1-cos C + 1/1+cos C = 2csc^2 C      Log On


   

Question 519692: Prove that the following equations is an Identity
1/1-cos C + 1/1+cos C = 2csc^2 C
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Prove that the following equations is an Identity
1/1-cos C + 1/1+cos C = 2csc^2 C
**
starting with left side
1/1-cos+1/1+cos
LCD: (1-cos)(1+cos)=1-cos^2 (difference of squares)
(1+cos+1-cos)/1-cos^2
2/1-cos^2=2/sin^2=2csc^2
verified: left side=right side