Question

given that 16 CotA = 12 find the value of Sin A + Cos A/ Sin A – Cos A

Answer 1

I hope you understand it....

Answer 2

16cotA=12
Cot A = 12/16 = 3/4
cosA/sinA = 3/4
cosA = 3k and sinA = 4k
Put the values in
(sinA+cosA)/(sinA-cosA) = (4k+3k)/(4k-3k)
=7k/k=7