Ask a Teacher



solve the equation tan^2 0+ cot^2 0= 2?

On simplifying tan2x +cot2x=2 ,we get,sinxcos=1/2
SinxCosx=1/2
(1/2)*(2SinxCosx)=1/2
(1/2)*Sin(2x)=1/2
Sin(2x)=1
2x=(?/2)+2?k
for k=0 ==> 2x=?/2
x=?/4
for k=1 ==> 2x=(?/2)+2?
2x=5?/2
x=5?/4
Solution set for x is S={(?/4),(5?/4)}


comments powered by Disqus