Note:

if y is not in the interval [-1,1]

Question:

Why ?

Attempt:

I try doing it with the calculator but i keep getting

thank you

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- March 20th 2009, 12:32 AMmj.alawamiInverse Trigonometric Functions
__Note:__

if y is not in the interval [-1,1]

__Question:__

Why ?

__Attempt:__

I try doing it with the calculator but i keep getting

thank you - March 20th 2009, 12:45 AMProve It
- March 20th 2009, 02:16 AMmr fantastic