0

Guest

Courses New

if u=(a 2 cos 2 x+b 2 cos 2 x) 1/2 then find minimum value of u 2

if u=(a2cos2x+b2cos2x)1/2
then find minimum value of u2

Grade:12th pass

2 Answers

Aditya Gupta
2081 Points
5 years ago
u^2=cos^2x(a^2+b^2). now minimum value of cos^2x is zero so the minimum value of u^2 is zero as well and occurs when x=pi/2.
Saurabh Koranglekar
askIITians Faculty 10335 Points
5 years ago
576-2023_1.PNG

Think You Can Provide A Better Answer ?

Other Related Questions on Trigonometry

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More