SOLUTION: 1-cos^2x/tan^2x=sqrt3/2

Algebra ->  Trigonometry-basics -> SOLUTION: 1-cos^2x/tan^2x=sqrt3/2      Log On


   

Question 806665: 1-cos^2x/tan^2x=sqrt3/2
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
1-cos^2x/tan^2x=sqrt3/2
***
for interval[0,2π]
%281-cos%5E2%28x%29%29%2Ftan%5E2%28x%29=sqrt%283%29%2F2
%28sin%5E2%28x%29%29%2F%28sin%5E2%28x%29%2Fcos%5E2%28x%29%29=sqrt%283%29%2F2
cos%5E2%28x%29=sqrt%283%29%2F2
take sqrt of both sides
cos(x)≈±0.9306
x≈0.3747, 2.7668, 3.5163, 5.9084