LN(X2 + 1) + 2 ⋅ i ⋅ ATAN1--

 

x

 

------------------------------------------------------------------------------

Result:

2

 

See also:

TRIGCOS, TRIGSIN, TRIGTAN

TRIGCOS

Type:

Command

Description:

Simplifies a trigonometric expression by applying the identity:

 

( sinx)2 + ( cosx)2 = 1

 

Returns only cosine terms if possible.

Access:

Trigonometry, …ÑLL

Input:

An expression with trigonometric terms.

Output:

The transformed expression.

Flags:

Exact mode must be set (flag –105 clear).

 

Numeric mode must not be set (flag –3 clear).

 

Radians mode must be set (flag –17 set).

See also:

TRIG, TRIGSIN, TRIGTAN

TRIGO

 

Type:

Command

Description:

Displays a menu or list containing the CAS commands for transforming trigonometric

 

expressions.

Access:

Catalog, …µ

Flags:

If the CHOOSE boxes flag is clear (flag –117 clear), displays the operations as a numbered list. If

 

the flag is set, displays the operations as a menu of function keys.

See also:

ALGB, ARIT, CONSTANTS, DIFF, EXP&LN, INTEGER, MAIN, MATHS, MATR,

 

MODULAR, POLYNOMIAL, REWRITE, TESTS

TRIGSIN

Type: Command

Description: Simplifies a trigonometric expression by applying the identity:

(sinx)2 + ( cosx)2 = 1

Returns only sine terms if possible.

Access: Trigonometry, …ÑLL

Input: An expression with trigonometric terms.

Output: The transformed expression.

Flags: Exact mode must be set (flag –105 clear).

Numeric mode must not be set (flag –3 clear).

Radians mode must be set (flag –17 set).

See also: TRIG, TRIGCOS, TRIGTAN

TRIGTAN

Type: Command

Description: Replaces sine and cosine terms in a trigonometric expression with tangent terms.

Full Command and Function Reference 3-257