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Question: Simplification of...See down

Question:Simplification of...See down

Jean-Michel 235
February 11 2015
0

Hello all,

It was noticed by Dr Corless in his book Maple...7 that sin(3*arcsin(x)) is equal to 3*x-4*x^3.

At the time Maple 7 couldn't do that.

Now with Maple 18 here is what I did without success:

convert(sin(3*arcsin(x),exp) (long expression...) and then simplify(%)...Ugly expression.

How can I FORCE Maple to return the polynomial in x (if possible at all) ?

Kind Regards

JMC

 
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