the direction cosines of x axis are
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
The x-axis makes angles 0°, 90° and 90° with x, y and z-axis. Again y-axis makes angles 90°, 0°, 90° with x, y and z-axis. ∴ direction cosines of y-axes are cos 90°, cos 0°, cos 90° i.e. 0, 1,0.