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Article #175RE: Graph-TI - sinX and SQ ROOT
From: Ben Sultenfuss
Date: Fri, 02 Dec 1994 14:23
Date: Fri, 02 Dec 1994 14:23
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1434 bytes
Your problem is with the order of operations. To overcome this I encourage my students to properly use parentheses to clearly group or associate expression. Basically, always put the argument in a set of parentheses. Ex. sin(xsqrt(3)) sin(sqrt(3x)) sqrt(3sin(x)) Also, using expressed operations rather than implied operations can help to remove ambiguity. Ben -----YOUR MESSAGE---------------- I am having a problem evaluating expressions with sinX and square roots. I get DIFFERENT answers for expressions like sinXsq rt3, sinsq rt 3 X, sq rt 3 sin X, sq rt3(sinX), etc. What is the rule? It is NOT OBVIOUS!
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 104512,84bf5640f8855272 X-Google-Attributes: gid104512,public X-Google-ArrivalTime: 1994-12-02 08:25:41 PST Path: arc1-ca.pugleaf.net!bga.com!news.sprintlink.net!howland.reston.ans.net!news.cac.psu.edu!psuvm!auvm!TITAN.SFASU.EDU!F_SULTENFU Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU Newsgroups: bit.listserv.graph-ti Date: Fri, 02 Dec 1994 08:23:19 -0600 (CST) From: Ben Sultenfuss <F_SULTENFU@TITAN.SFASU.EDU> Subject: RE: Graph-TI - sinX and SQ ROOT Cc: F_SULTENFU@TITAN.SFASU.EDU Message-ID: <01HK5TS49K44000KMK@TITAN.SFASU.EDU> MIME-version: 1.0 Content-type: TEXT/PLAIN; CHARSET=US-ASCII Content-transfer-encoding: 7BIT Sender: owner-graph-ti@dsmail.internic.net Precedence: bulk Reply-To: Ben Sultenfuss <F_SULTENFU@TITAN.SFASU.EDU> Lines: 13