Question

if sin a =3/5 then ,cosec a= ?

Answer 1

Cosec A = 5/3 ...
Because Sin A = 1 /Cosec A.....

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Answer 2

sinA =3/5=P/H
AC²=AB²+BC²
BASE=?
5²=AB² + 3²
25=AB²+9
AB²=25-9
AB²=√16
AB=4
COSEC A=H/P
=5/3