RRB NTPC · प्रश्न 26
यदि sin x = 4/5, तो sec x + tan x = ?
उत्तर देखें और व्याख्या
उत्तर: (C) 3
व्याख्या
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 · प्रश्न 26
उत्तर: (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.