Digital Library of Mathematical Functions
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4 Elementary FunctionsTrigonometric Functions4.23 Inverse Trigonometric Functions

Figure 4.23.1 (See in context.)

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(i) arcsinz and arccosz (ii) arctanz (iii) arccscz and arcsecz (iv) arccotz
Figure 4.23.1: z-plane. Branch cuts for the inverse trigonometric functions.