# Inverse trigonometric functions.

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Prove:

sin(2arcsin(x))=2x*sqrt(1-x^2)

Â© BrainMass Inc. brainmass.com October 2, 2022, 6:52 am ad1c9bdddfhttps://brainmass.com/math/trigonometry/inverse-trigonometric-functions-8508

#### Solution Summary

Dealing with inverse trigonometric functions can be very confusing sometimes.

This proof demonstrates several tricks that are useful when dealing with this type of functions.

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