Question

if sec theta+tan theta=x'write the value of sec theta-tan theta in terms of x

Answer 1

hey !!!

Very easy question ..

sec¢ + tan¢ = x

1/x =/1sec¢ + tan¢ ×sec¢ - tan¢ /sec¢ - tan¢

{ by using rationalising process in class 9th )

=> 1/x =sec¢ - tan¢ /sec²¢ - tan²¢

1/x =sec¢ - tan¢/1 {•°• sec²¢ - tan²¢ =1 }

so...1/x =sec¢ - tan¢

hope it helps you !!

#Rajukumar1111