If 2sec? x - sec? x - 2 cosec? x + cosec? x = 15/4 then tan x is equal to (1) 1/?2 (2) 1/2 (3) 1/2?2 (4) 1/4
If 2sec? x - sec? x - 2 cosec? x + cosec? x = 15/4 then tan x is equal to (1) 1/?2 (2) 1/2 (3) 1/2?2 (4) 1/4 15
If 2sec a—sec u—2cosec u +cosec u =
then tana is equal to
(l)
(3)