Question

If cosA=12/13find cosecA and cotA

Answer 1

1/cosec^2 A =1-cos^2 A
1/cosec^2 A=1-144/169
Cosec^2 A=25/169
cosecA=5/13

sec^2 A-Tan^A=1
1/cos^A=1+1/cot^A
cotA=5/12

Answer 2

cosecA-5/13
cotA-5/12