Question

Tanx=1/√7 then cosec^2x-sec^2x/cosec^2x+sec^2x

Answer 1

Step-by-step explanation:

tanx= sinx/cosx = 1/√7

so , sinx = 1/√7 cos x ...

so , cosec^2x= 7/cos^2x= 7 sec^2 x

cosec^2x - sec^2 x= 6 sec^2 x

cosec^2 x + sec^2 x = 8 sec^2 x

so answer is 3/4