Question

If x=secA+tanA, then find x+1/x=? ​

Answer 1

Answer:

2 sec A

Step-by-step explanation:

x= sec A+tan A

x+1/x=sec A+tan A+ 1/sec A+tan A

= (sec A +tan A)^2+1/sec A + tan A

sec^2 A+ tan^2A+2 sec A tan A/sec A+tan A

2 sec A(sec A+ tan A)/secA tan

=2sec A