Question

plz solve It as soon as possible ​

Answer 1

Answer:

cosec A/cosec A - 1 + cosec A/cosec A + 1

=cosec A(cosecA + 1)+cosecA(cosecA -1)/(cosec²A-1)

=2cosec²A/(1+cot²A-1 )

=2 cosec²A/cot²A

=2cosec²A×tan²A

=2/sin²A×sin²A/cos²A

=2/cos²A

=2sec²A