If `2tan^2x-5secx=1` for exactly seven distinct value of `x in [0,(npi)/2],n in N` then find the greatest value of `ndot`

If 2tan^(2)x-5sec x=1 for exactly seven distinct value of x in[0,(n pi)/(2)],n in N then find the greatest value of n.

If 2tan^(2)x-5secx=1 for exactly 7 distinct values of x in [0,(npi)/2], n in N then greatest value of n is

If 2tan^2x-5secx=1 is satisfied by exactly seven distinct values of x in [0,((2n+1)pi)/2],n in N , then the greatest value of n is________.

If 2tan^2x-5secx=1 is satisfied by exactly seven distinct values of x in [0,((2n+1)pi)/2],n in N , then the greatest value of n is________.

If 2tan^2x-5secx=1 is satisfied by exactly seven distinct values of x in [0,((2n+1)pi)/2],n in N , then the greatest value of n is________.

If tan^(2)x-5sec x=1 is satisfied by exactly seven distinct values of x in[0,((2n+1)pi)/(2)],n in N, then the greatest value of n is

If tan^(2)theta-sec theta-5=0 for exactly 9 values of theta in[0,(n pi)/(2)];n in N, then the greatest value of n is

If sin^(2)theta - 2 sin theta - 1 = 0 is to be satisfied for exactly 4 distrinct value of theta in[0,npi],n in N , then the least value of n is :

2 cot^2 x - 5 cos e c x is equal to 1 for exactly 6 distinct values of x ∈ [ 0 , n π ] then the greatest value of n is __________________

"If " 2"tan"^(2) theta - 5 "sec" theta = 1 has exactly 7 solution in the interval [0, n pi//2], n in N , then the least and greatest values of n are