Hp Prime Graphing Calculator Manuel d'utilisateur télécharger pdf (Page 338)

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101

334 Functions and commands

atrig2ln Returns an expression with inverse trigonometric functions

rewritten as logarithmic functions.

atrig2ln(Expr)

Example:

atrig2ln(atan(x)) gives ((i)*ln((i+x)/(i-x)))/2

tlin Returns a trigonometric expression with the products and

integer powers linearized.

tlin(ExprTrig)

Example:

tlin(sin(x)^3) gives 3*sin(x)/4+sin(3*x)/-4

tCollect Returns a trigonometric expression linearized and with any

sine and cosine of the same angle put together.

tCollect(Expr)

Example:

tcollect(sin(x)+cos(x)) gives sqrt(2)*cos(x-1/

4*pi)

trigexpand Returns a trigonometric expression in expanded form.

trigexpand(Expr)

Example:

trigexpand(sin(3*x)) gives (4*cos(x)^2-

1)*sin(x)

trig2exp Returns an expression with trigonometric functions rewritten as

complex exponentials (without linearization).

trig2exp(Expr)

Example:

trig2exp(sin(x)) gives (exp((i)*x)-1/

exp((i)*x))/(2*i)

Integer

Divisors Returns the list of divisors of an integer or a list of integers.

idivis(Intg(a) or (LstIntg))

Example:

idivis(12) returns [1, 2, 3, 4, 6, 12]

1 2 ... 333 334 335 336 337 338 339 340 341 342 343 ... 607 608

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Hp Prime Graphing Calculator Manuel d'utilisateur Page 338

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