SOLUTION: If sin qita = 1/3 , the find the value of 2 cot^2 qita + 2

Algebra ->  Trigonometry-basics -> SOLUTION: If sin qita = 1/3 , the find the value of 2 cot^2 qita + 2      Log On


   



Question 768857: If sin qita = 1/3 , the find the value of 2 cot^2 qita + 2
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
If sin qita = 1/3 , the find the value of 2 cot^2 qita + 2
***
use x for qita
sin x=1/3
cos x=√(1-sin^2x)=√(1-1/9)=√(8/9)=√8/3
cot x=cos x/sin x=1/√8
cot^2 x=1/8
2 cot^2 x+2=x=1/4+2=9/4