Question

Hey guys....... If sec A + tan A = X ,. then sec A = ?


Trigonometry ​

Answer 1

Step-by-step explanation:

By formula

secA^2-tanA^2=1

so

(secA+tanA)(secA-tanA)=1

secA-tanA= 1 /X

now

secA+ tanA+ secA-tanA = x+ 1/x

2secA=(x^2+1)/x

secA =x^2+1/2x