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[Bug 5892] [FO] Requirement: trigonometric functions

From: <bugzilla@wiggum.w3.org>
Date: Mon, 08 Dec 2008 10:46:14 +0000
To: public-qt-comments@w3.org
Message-Id: <E1L9dd0-0005lR-R5@farnsworth.w3.org>


Deborah Pickett <debbiep-w3c-bugzilla@futzle.com> changed:

           What    |Removed                     |Added
                 CC|                            |debbiep-w3c-
                   |                            |bugzilla@futzle.com

--- Comment #3 from Deborah Pickett <debbiep-w3c-bugzilla@futzle.com>  2008-12-08 10:46:13 ---
Equally as important as sin(x) and cos(x) is atan2(y,x).  Just as sin and cos
are useful for converting polar coordinates to rectangular coordinates, atan2
is essential for converting rectangular coordinates to polar.

With atan2 and sqrt, computing other inverse trigonometric functions is easy,
just as it is easy to compute tan given implementations for sin and cos.

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Received on Monday, 8 December 2008 10:46:23 UTC

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