Question

Describe the general shape of the graph for the inverse sine function, \( y = \sin^{-1}(x) \), including its domain and range.

Ask by Donnelly Chan. in Nigeria
Jan 21,2025

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Answer

The inverse sine function \( y = \sin^{-1}(x) \) is an increasing, smooth, S-shaped curve that passes through the points \((-1, -\frac{\pi}{2})\), \((0, 0)\), and \((1, \frac{\pi}{2})\). Its domain is all real numbers between -1 and 1, and its range is from \(-\frac{\pi}{2}\) to \(\frac{\pi}{2}\).

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Mind Expander

The graph of the inverse sine function, \( y = \sin^{-1}(x) \), has a distinct S-shape that spans from the point (-1, -π/2) to (1, π/2). This means that the domain of the function is limited to the interval \([-1, 1]\), while its range extends from \([-π/2, π/2]\). The function starts at \(-π/2\) when \(x = -1\), crosses through the origin at \((0, 0)\), and peaks at \(\pi/2\) when \(x = 1\). This function has real-world applications in fields like physics and engineering, where it can represent angles in relation to their sine values. For example, when analyzing a simple pendulum's motion or calculating angles of elevation in trigonometric problems, \(\sin^{-1}(x)\) helps determine the required angles based on measured sine values, making it a handy tool in practical scenarios!

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