Question

if cosecA - cotA = 4/5 , then cosecA = is​

Answer 1

Step-by-step explanation:

CosecA-CotA=4/5---(i),

also cosec²A-cot²A=1,

so, (CosecA-CotA )(cosecA+CotA)=1,

4/5(CosecA+CotA)=1,

CosecA+CotA=4/5--(ii),

from (i) and (ii),

CosecA=41/40

hope it helps you