Question

plzzzz... answer this ques 26

Answer 1

Answer:

Step-by-step explanation:

To prove=sec(1-sinA)(secA+tanA)=1

Proof

(SecA-sinAsecA)(secA+tanA)

(SecA-sinA1/cosA)(secA+tanA)

(secA-sinA/cosA)(secA+tanA)

(secA-tanA)(secA+tanA)

(Sec^2A-tan^2A)

=1

Hence proved