Question

39] if sec + tan + 1 = 0, then sec - tan is:

A] -1 B] 1 C] 0 D] 2​

Answer 1

Answer:

C - 0

H means height and P means perpendicular

Answer 2

Answer:

sec²x-tan²x=1

so,(sec+tan)(sec-tan)=1

=> (-1)(sec-tan)=1

=>sec-tan=-1