how can I simplify this: tan(arcsin(x))

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- Oct 7th 2009, 12:38 PMxxju1anxxinverse trig functions
how can I simplify this: tan(arcsin(x))

- Oct 7th 2009, 12:58 PMSoroban
Hello, xxju1anxx!

Quote:

Simplify: .

*angle.*

Let

We have: .

is in a right triangle with: .

. . Using Pythagorus, we find that: .

Hence: .

Therefore: .