Answer each of the following questions in one word or one sentence or as per exact requirement of the question: Evaluate: . A mathematical expression involving a sine function of half an inverse cosine function: sin(1/2 cos^-1 (4/5)).

Given sin (1/2 cos-1 4/5)We know that We know that

Q17 of 303 Page 4

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:
Evaluate: .

Given sin (1/2 cos^-1 4/5)

We know that

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

Write the value of .

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

Write the value of sin^–1(1550°).

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

Evaluate: .

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

Write the value of .