## 70 Reputation

6 years, 353 days

## what is the integral of this function ?...

Maple 2017

f(x)=sqrt(sin(x)); x over the intervall [0,T]

can anyone help me to find this integral ?

## i'm realy confused, can anyone help me p...

Maple V

 > sin(Pi/12);
 (1)
 >

can anyone explain to me this result ?

in the book "maple by example" they said that sin(Pi/12);
sin (1/12 π)
returns sin(π/12) because it does not know a formula for the explicit value of sin(π/12). but when i'm calculated this in maple i had got , this result, what does this result mean ?

## why it give me this ?...

Maple V

we know that the exponotial function is represented as a taylor series, that means that the exponontial of any value is approximatvly evaluated ,the same thing of sinus function when i calcute sin(Pi/6) it give me the exacte result,

 > sum(0^i/i!,i=0..infinity);
 (1)
 > exp(0);
 (2)
 > sin(0.2);
 (3)
 > sin(Pi/6);
 (4)
 > sin(Pi/2);
 (5)
 >

,can anyone explain to me these results ?

## how can i get this ?...

Maple V

we know that  maple evaluate an expression as a tree, for example if i have the expression:

f:=x^2*exp(3/2)*sin(Pi/3-1/x);

i want to get all the tree, is there a command to obtain this !!

## what is the diffrence between these comm...

Maple V

can anyone tell me the difference between subs and eval and  evalf ?

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