Q. 325.0( 2 Votes )
Answer each of th
Given sin-1 (sin 3π/5)
We know that sin-1 (sin θ) = π – θ, if θ ∈ [π/2, 3π/2]
= π – 3π/5
∴ sin-1 (sin 3π/5) = 2π/5
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