Provide Solution For R.D. Sharma Maths Class 12 Chapter 22 Algebra of Vectors Exercise 22.9 Question 10 Maths Textbook Solution.
Answer:, components of
are
Given: A unit vector makes an angle
with
with
and an acute angle
with
, then find
and hence the component of
Hint: Find x, y, z
Explanation: Let us take a unit vector
So magnitude of
Angle with
Angle of with
Also,
Angle of with
Now,
Magnitude of
Squaring on both sides
Since is an acute angle
So,
is in 1st Quadrant
And is positive in 1st Quadrant
So,
And
Hence
The required vector is
So, components of are