if cosecA =2 . then obtain value of cotA+ sinA/1+cosA
cosecA =2
= 2
SinA =
SinA = sin30
A = 30
CotA +
= Cot30 +
= +
= + 2 -
=2 ans
Prove:cotA+cosecA−1cotA−cosecA+1=1+cosAsinA