Answer each of the following questions in one word or one sentence or as per exact requirement of the question:
Write the value of 
.
Given cos-1 (cos 14π/3)
= cos-1 [cos (4π + 2π/3)]
= cos-1 (cos 2π/3)
= 2π/3
∴ cos-1 (cos 14π/3) = 2π/3
1
Answer each of the following questions in one word or one sentence or as per exact requirement of the question:
Write the value of .
Given cos-1 (cos 14π/3)
= cos-1 [cos (4π + 2π/3)]
= cos-1 (cos 2π/3)
= 2π/3
∴ cos-1 (cos 14π/3) = 2π/3