 # RD Sharma Solutions Class 12 Chapter 27 Direction Cosines and Direction Ratios

## RD Sharma Solutions for Class 12 Maths Chapter 27 – Free PDF Download

The RD Sharma Solutions for Class 12 Chapter 27 Direction Cosines and Direction Ratios is given here. Students can make the best of these RD Sharma Solutions for Class 12 while solving exercise problems of Class 12 RD Sharma Solutions. These solutions are presented in a stepwise manner using simple language for ease of understanding of the students.

Direction ratios provide a convenient way of specifying the direction of a line in three-dimensional space. Direction cosines are the cosines of the angles between a line and the coordinate axes.

Directional angles: The angles made by a line with the positive directions of the X, Y and Z axes are called directional angles.

Directional cosines: If α,ß and Γ are the directional angles of a directed line L, then cos α, cos β and cos γ are called the directional cosines of directed line L.

Our RD Sharma Solutions for Class 12 is designed according to the latest syllabus prescribed by CBSE. Solving RD Sharma exercise questions with the help of RD Sharma Solutions will help students to score good marks in the Class 12 board examination. It also has important concepts and formulas for a better understanding of the chapter.

 Direction Cosines and Direction Ratios Class 12 RD Sharma Exercises Direction Cosines and Direction Ratios Exercise 27.1