Use tables to find cosine of :

(i) 2° 4'

(ii) 8° 12'

(iii) 26° 32'

(iv) 65° 41'

Use trigonometric tables to find tangent of :

(i) 37°

(ii) 42° 18'

Use tables to find the acute angle θ, if the value of cos θ is :

(i) 0.9848

(ii) 0.9574

Use tables to find the acute angle θ, if the value of tan θ is :

(i) 0.2419

(ii) 0.4741