If seca +tana =m and seca -tana =n find the value of √mn

1.	If seca +tana =m and seca -tana =n find the value of √mn
Answer» 1 =1 √mn=√sec^2 a - tan^2 a➡➡➡➡put sec^2 a=1+tan^2 a➡➡➡➡√1+tan^2 a - tan^2 a=

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