Question

(sec∅-tan∅) (sec∅+tan∅)​

Answer 1

Answer:

-1

=>sec²ø - tan²ø

= -1

coz sec²ø+1= tan²ø

Answer 2

Answer:

Sec^2 θ- tan^2 θ

1/Cos^2θ - Sin^2θ/Cos^2θ

= 1-Sin^2θ/ Cos^2θ

= Cos^2θ/Cos^2θ

= 1

Hope it helps:)