Question

If A + B = 90°, show that
(1) sec^2A - cot^2B = 1
(2) secA cosec B - tan A cot B=1
(3) cosecA cos B + secA sinB = 2

plzzzzzzzz urgent​

Answer 1

Answer:

If A + B = 90°, show that

(1) sec^2A - cot^2B = 1

(2) secA cosec B - tan A cot B=1

(3) cosecA cos B + secA sinB = 2

plzzzzzzzz urgent