What is the minimum value of 3 cosx + 4 sinx + 8?

Asked by Last Modified  

2 Answers

+2 Mathematics Trigonometry

Follow 0
Answer

Please enter your answer

Ankit Agrawal

Concept buliding

f(x) = 3cosx + 4sinx + 5 f '(x) = -3sinx + 4cosx 0 = -3sinx + 4cosx 3sinx = 4cosx tanx = 4/3 x = 0.927 + npi radians for all integers, n f ''(x) = -3cosx - 4sinx f ''(0.927) = -5 0 so a minimum occurs at x = 4.069 f(0.927 + pi) = f(4.069) = 0
read more
f(x) = 3cosx + 4sinx + 5 f '(x) = -3sinx + 4cosx 0 = -3sinx + 4cosx 3sinx = 4cosx tanx = 4/3 x = 0.927 + npi radians for all integers, n f ''(x) = -3cosx - 4sinx f ''(0.927) = -5 < 0 so a maximum occurs at x=0.927 f ''(0.927 + pi) = 5> 0 so a minimum occurs at x = 4.069 f(0.927 + pi) = f(4.069) = 0 read less
Comments
Dislike Bookmark

An Experienced Trainer

9
Comments
Dislike Bookmark

Related Questions

In 1905, __________ proposed that the packets or bundles of energy are integral part of all electromagnetic radiations. (Plank, Einstein, Newton, Wein)
Einstein
Narendra Kumar
0 0
5
The energy that flows from a high temperature object to a low temperature object is called __________. (Heat, Sound Electricity, Solar Energy)
Heat
Narendra Kumar
0 0
6
How can I teach online?
you can either login at https://www.udemy.com for teaching online or else you can ask IT person to make a different teaching software where you can ask student to register and then teach. Thank You
Prachi T.
A free electron in an electric field __________. (remains stationary, moves from the higher potential to the lower potential, moves from the lower potential to the higher potential)
Electron moves from lower to higher potential on the other hand proton moves from higher to lower potential.
Narendra Kumar
0 0
7
A geometric shape of a solid obtained by regular, repetitive, three-dimensional arrangements of its molecules, atoms or ions is called a __________. (Crystal, Lattice, Crystal plane, None of these)
Crystal lattice
Narendra Kumar
0 0
7

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Qualifications and Appointment of Supreme Court Judges in India
The Supreme court Judges in India are appointed by the President on the advice of his Council of Ministers and in consultation with such persons as he deems fit. In the appointment of the Chief Justice,...
D

Deepa H.

1 0
0
Solve Amalgamation Problem In 7 Steps
Step 1: Identify nature of Amalgamation: If the six conditions of amalgamation in nature of merger not satisfied then it is treated as amalgamation in nature of purchase. If the information provided in...

Fr Prashanth Reddy

4 0
0
The Golden Rule of Accounting
The Golden Rule of Accounting: Debit The Receiver, Credit The Giver: This principle is used in the case of personal accounts. When a person gives something to the organization, it becomes an...

Kousiki Chakraborty

2 0
0
learn in less time and as a fun
If you want to learn the topics in very less time and with a littlw bit of fun; make some funny lines or few stories.

Pankaj Mishra

0 0
0
Revision
Every new concept learned must be revised with a periodic interval of 3-7-21 days.

Rasika

0 0
0

Recommended Articles

Meet Swati, a Hindi Tutor from Bangalore

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Meet Urmila, an MBBS tutor from Bangalore

Urmila is a passionate teacher with over 8 years of experience in teaching. She is currently pursuing her Ph. D. She provides classes for Class 11, Class 12, MBBS and Medical tuition.  Urmila began her career in teaching long before she became a teacher. She used to provide classes for foreign national students in her college...

Read full article >

Meet Raghunandan.G.H, a B. Tech Tutor from...

Raghunandan is a passionate teacher with a decade of teaching experience. Being a skilled trainer with extensive knowledge, he provides high-quality BTech, Class 10 and Class 12 tuition classes. His methods of teaching with real-time examples makes difficult topics simple to understand. He explains every concept in-detail...

Read full article >

Meet Mohammad Wazid, a skilled trainer for...

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Find Class 12 Tuition near you
Class 12 Tuition in Delhi
Class 12 Tuition in Bangalore
Class 12 Tuition in Hyderabad
Class 12 Tuition in Chennai
Class 12 Tuition in Kolkata
Class 12 Tuition in Mumbai
Class 12 Tuition in Pune
Class 12 Tuition in Noida
Class 12 Tuition in Gurgaon
Class 12 Tuition in Lucknow
Online Tuition Class 12

Looking for Class 12 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you