Q32 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 (sin 3π/5)


We know that sin-1 (sin θ) = π – θ, if θ ∈ [π/2, 3π/2]


= π – 3π/5


= 2π/5


∴ sin-1 (sin 3π/5) = 2π/5


More from this chapter

All 303 →
30

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

Write the value of .


 31

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

Show that .


 33

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

If , find x.


 34

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

If , then find x.