QPaperGen
Professional
Home
All Topics
MCQ Test
Login
Class: 12
Subject: Math
Topic: Applications of Derivatives
Question:
Which of the following functions are strictly decreasing on \( \left( 0, \frac{\pi}{2} \right) \)? (A) \( \cos x \) (B) \( \cos 2x \) (C) \( \cos 3x \) (D) \( \tan x \)