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


tan θ + sin θ = m    ....1tan θ - sin θ = n    ....2
 
Adding equation (1) and (2)
 
tan θ  = m + n

 

 
Hope! This will help you.
Cheers!!!

 

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