How Cheenta works to ensure student success?
Explore the Back-Story

# Test of Mathematics Solution Subjective 79 -Trigonometric Inequality  This is a Test of Mathematics Solution Subjective 79 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance.

Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta

## Problem

Let , , ... , be any values in the closed interval . Show that =  .
What is the maximum value attainable by and at what values of , , ... , , is the maximum value attained?

## Solution = Now we will show that for any         Now        [ as ]   So for any   So (proved)
Maximum value attained by is and will be attained for for  This is a Test of Mathematics Solution Subjective 79 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance.

Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta

## Problem

Let , , ... , be any values in the closed interval . Show that =  .
What is the maximum value attainable by and at what values of , , ... , , is the maximum value attained?

## Solution = Now we will show that for any         Now        [ as ]   So for any   So (proved)
Maximum value attained by is and will be attained for for ### Knowledge Partner  