## ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 19 Trigonometric Tables Chapter Test

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 19 Trigonometric Tables Chapter Test

Question 1.

Using trigonometrical tables, find the values of:

(i) sin 48° 52′

(ii) cos 37° 34′

(iii) tan 18° 21′.

Solution:

Question 2.

Use tables to find the acute angle θ, given that

(i) sin θ = 0.5766

(ii) cos θ = 0.2495

(iii) tan θ = 2.4523.

Solution:

Question 3.

If θ is acute and cos θ = 0.53, find the value of tan θ.

Solution:

Question 4.

Find the value of: sin 22° 11′ + cos 57° 20′ – 2 tan 9° 9′.

Solution:

Question 5.

If θ is acute and sin θ = 0.7547, find the value of: (i) θ (ii) cos θ (iii) 2 cos θ – 3 tan θ.

Solution: