Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Ex 6.2
Ex 6.2,2
Ex 6.2,3 Important
Ex 6.2,4
Ex 6.2, 5 Important
Ex 6.2, 6 (a)
Ex 6.2, 6 (b) Important
Ex 6.2, 6 (c) Important
Ex 6.2, 6 (d)
Ex 6.2, 6 (e) Important
Ex 6.2, 7
Ex 6.2,8 Important
Ex 6.2,9 Important
Ex 6.2,10
Ex 6.2,11
Ex 6.2, 12 (A) You are here
Ex 6.2, 12 (B) Important
Ex 6.2, 12 (C) Important
Ex 6.2, 12 (D)
Ex 6.2, 13 (MCQ) Important
Ex 6.2,14 Important
Ex 6.2,15
Ex 6.2, 16
Ex 6.2,17 Important
Ex 6.2,18
Ex 6.2,19 (MCQ) Important
Last updated at May 29, 2023 by Teachoo
Ex 6.2, 12 Which of the following functions are strictly decreasing on (0 ,π/2)? (A) cos π₯f(π₯) = cos π₯ fβ(π) = β sin π Since, sin π₯ > 0 for π₯ β (0 , π/2) So, βsin π < 0 for π₯ β (0 , π/2) β΄ fβ(π₯) < 0 for π₯ β (0 , π/2) So, f is strictly decreasing in (0 , π/2)