Let sinπ = -3/5 , π < x < 3π/2 , then 80(tan^2x - cosx) is equal to

Question

Let \(sin \pi = \frac {-3}{5}, \pi < x < \frac {3\pi}{2},\) then 80 (tan²x – cosx) is equal to

(1) 109 

(2) 108 

(3) 9 

(4) 8

Answer 1

Correct option is (1) 109