If sec 2θ = cosec ( θ - 36o), where 2θ is an acute angle, find the va…

If secA = cosecB , then   A + B  = 90° 

Given :-

sec 2θ = cosec ( θ - 36^o)

Then , 2θ + θ - 36^o = 90^o

2θ = 126^o

θ = 42^o