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The document discusses inverse trigonometric functions. [1] It defines the inverse sine function sin-1x or arc sinx as the inverse of the restricted principal sine function between -π/2 and π/2, where x is the sine of the angle y. [2] It provides an example of finding the value of sin-1(3/2) and sin-1(-1/2), explaining that sin-1x is not equal to (sin x)-1. [3] It introduces the inverse cosine function cos-1x or arc cosx as the inverse of the restricted principal cosine function between 0 and π, wher

Author

lalamusasuks

Language

EN