What do you mean by direction cosines?

Asked by Last Modified  

1 Answer

+2 Mathematics Vector Algebra

Follow 0
Answer

Please enter your answer

Sarvajeet Kumar

An Experienced Trainer

X = ai + bj + ck; l=cos A=a/square root (square of a+square of b +square of c); m=cos B=b/square root (square of a+square of b +square of c); n=cos C=c/square root (square of a+square of b +square of c) l, m, n are called direction cosines of the vector X.
Comments
Dislike Bookmark

Related Questions

What are the best possible ways to promote yourself among students ?
This is the advt. period. No one can identify your ability. Maximum parents and students become impractical. So you should explain your teaching technique and assure him for progressive success.
Amanjeet Singh
0 0
View Comments7
A box contains 12 balls out of which 7 are red and rest are green. In how many ways can a random sample of 8 balls be drawn from the bag so that at the most 3 red balls are included in the sample and no sample has all the 8 balls of the same colour?
7C3*5C5 =( 7!/3!*(7-3)! ) / 1 = 7*6*5*4! /3!*4! = 7*5 =35
Vikna
Which is the best book to teach PUC 1st year accountancy (Board State)?
Sultan Chand Publication by TS Grewal
Ambika A.
Spectral series obtained due to transition of electron from higher to 3rd orbit is called __________. (Lyman Series, Balmer Series, Brackett Series, Paschen Series)
Paschen Series
Narendra Kumar
The maximum frequency limit of the continuous x-rays spectrum depends upon __________. (the atomic number of the atoms of the target, the kinetic energy of the incident electrons, the maximum frequency limit of the characteristic x-rays spectrum, the degree of vacuum in the x-ray tube)
kinetic energy of electron
Narendra Kumar
0 0
View Comments6

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

Ask a Question

Related Lessons

Solution to a trigonometric problem requested by one student
∫ sin² x /( 1+ cos x ) dx Let's multiply both numerator and denominator by ( 1 - cos x ) = ∫ sin² x • ( 1 - cos x ) / ( 1 + cos x ) • ( 1 - cos x ) dx = ∫ sin²...

B.sudhakar

4 0
View Comments0
Best practice to study
for study effectively presence of mind is crucial.there is no point in studying 5 hours if you do not remember anything from that.its is better if you study for 10 minutes and remember everything from...
K

Kapil Bharadwaj

0 0
View Comments0
S - block elements
The s-block elements are the 14 elements contained within these columns. All of the s-block elements are unified by the fact that their valence electrons (outermost electrons) are in an s orbital. The...

Tejas Academy Centre

1 0
View Comments0
Shastri mastara matthavara makkalu - Shabdhartha

Sandhya

0 0
View Comments0
Find The Area Of Trapeziam ABCD
Question: Solution: Drop a perpendicular from C to AB 1/2 × 1/2 × 4 ×BC = 8 BC = 8sin 30° = 1/2 = h/ 4h = 2 Area => 1/ 2 × 2 = 14

Sujoy Das

2 0
View Comments0

Recommended Articles

Meet Sandhya R, a B.Sc tutor from Bangalore

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

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 Radhe Shyam Burman, an MBA Tutor from...

Radhe Shyam is a highly skilled accounts and finance trainer with 8 years of experience in teaching. Accounting is challenging for many students and that’s where Radhe Shyam’s expertise comes into play. He helps his students not only in understanding the subject but also advises them on how to overcome the fear of accounts...

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 >

Find Class XII Tuition near you
Class XII Tuition in Delhi
Class XII Tuition in Bangalore
Class XII Tuition in Hyderabad
Class XII Tuition in Chennai
Class XII Tuition in Kolkata
Class XII Tuition in Mumbai
Class XII Tuition in Pune
Class XII Tuition in Jaipur
Class XII Tuition in Lucknow
Class XII Tuition in Noida
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