if tano+sino = m,tano -sino =n,prove that m2 -n2=4root mn
Hi
Here is the proof of your question.
It is given that
Adding equation (1) and (2)
2 = m + n
Hope! This will help you.
Cheers!!!
if tano+sino = m,tano -sino =n,prove that m2 -n2=4root mn