RD Sharma Class 10 Solutions Chapter 5 VSAQs (Updated for 2021-22)

Answer each of the following questions either in one word or one sentence or as per the requirement of the questions :

Question 1.
Write the maximum and minimum values of sin θ.
Solution:
The maximum value of sin θ = 1
and minimum value of sin θ = 0

Question 2.
Write the maximum and minimum values of cos 0.
Solution:
Maximum value cos θ=1 and minimum value of cos θ = θ

Question 3.
What is the maximum value of 1secθ?
Solution:
The maximum value of 1secθ or cos θ = 1

Question 4.
What is the maximum value of 1cosecθ
Solution:
Maximum value of 1cosecθ or sin θ = 1

Question 5.

Solution:

Question 6.

Solution:

Question 7.

Solution:

Question 8.

Solution:

Question 9.

Solution:

Question 10.
If tan A = 34 and A + B = 90°, then what is the value of cot B?
Solution:

Question 11.
If A + B = 90°, cos B = 35, what is the value of sin A.
Solution:

Question 12.
Write the acute angle θ satisfying √3 sin θ = cos θ.
Solution:

Question 13.
Write the Value of cos 1° cos 2° cos 3° ……. cos 179° cos 180°.
Solution:

Question 14.
Write the Value of tan 10′ tan 15° tan 75° tan 80°.
Solution:

Question 15.
If A + B = 90° and tan A = 34 what is cot B?
Solution:

Question 16.
If tan A = 512, find the value of (sin A + cos A) sec A. (C.B.S.E. 2008)
Solution: