RRB NTPC · Question 26
If sin x = 4/5, then sec x + tan x = ?
Show answer & explanation
Answer: (C) 3
Explanation
sin x = 4/5 gives cos x = 3/5. sec x = 5/3 and tan x = 4/3, so sec x + tan x = 9/3 = 3.
Railways PYQCBT 2 2017
RRB NTPC · Question 26
Answer: (C) 3
sin x = 4/5 gives cos x = 3/5. sec x = 5/3 and tan x = 4/3, so sec x + tan x = 9/3 = 3.