Question

यदि tan A = 20/21 हो, तो cosec A तथा sec A के मान ज्ञात कीजिए।

Answer 1

Answer:

tanA=20/21 = perpedicutar/base

by pythagoras theorem:

hypotaneous=29

now,

cosecA=hypotaneous/perpendicular=29/20

secA=hypotaneous/base=29/21

hope it helped you :)