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Topic: Algebra 2/Trig Regents
Replies: 55   Last Post: Jul 1, 2011 6:01 PM

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Nick B

Posts: 87
Registered: 9/23/07
Re: a history of regents exam errors
Posted: Jun 30, 2011 8:08 AM
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What about #19 this year, with no correct answer?

There was a Newsday article published about the errors on the test, and the focus was on #19. Some had commented on the online version of the article saying that inverse cosine doesn't have to be a function; however, we can go to the NYSDOE Glossary for grades 9-12 to see that assertion is false, even according to the state:

http://www.jmap.org/JMAP/SupportFiles/NYS-NYCDOEDocuments/Math/Glossaries/NYSDOE_Glossary_Grades_9-12.pdf

(Page 42) inverse trigonometric functions (A2T) Given the value of a trigonometric function for an angle ?, the inverse trigonometric function outputs the measure of angle ?. The inverses of the six basic trigonometric functions are written as sin-1, cos-1, tan-1, csc-1, sec-1, and cot-1.

While that is a lousy definition, the state is clearly defining the ^-1 notation as the inverse function. None of the choices in #19 is a function. I happen to know the people at Stony Brook University in the Newsday article personally and ALL are fantastic mathematicians and teachers and would not lead us astray.


Date Subject Author
6/20/11
Read Algebra 2/Trig Regents
Jayson Kiang
6/20/11
Read Re: Algebra 2/Trig Regents
rhoffman@wacs2.wnyric.org
6/21/11
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Jessica
6/21/11
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Jonathan Halabi
6/21/11
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Mitchell, Doreen
6/21/11
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Lin Chen
6/21/11
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Steve Grey
6/21/11
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Lin Chen
6/21/11
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precopio@nycap.rr.com
6/21/11
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Kathy
6/22/11
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Glenn Mary
6/23/11
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adkmath
6/23/11
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Jonathan Halabi
6/23/11
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Deanna Tullison
6/24/11
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ELEANOREVO@aol.com
6/24/11
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Roberta M. Eisenberg
6/24/11
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lvullo@ccsd-k12.org
6/24/11
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Ann Murray
6/24/11
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ELEANOREVO@aol.com
6/24/11
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Ann Murray
6/24/11
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Roberta M. Eisenberg
6/24/11
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precopio@nycap.rr.com
6/29/11
Read Re: RE: Algebra 2/Trig Regents
Glenn Mary
6/30/11
Read a history of regents exam errors
Brent Neeley
6/30/11
Read Re: a history of regents exam errors
Nick B
6/30/11
Read Re: a history of regents exam errors
Evan Romer
6/30/11
Read Re: a history of regents exam errors
SRothwell@e1b.org
7/1/11
Read Re: a history of regents exam errors
Nick B
6/30/11
Read RE: a history of regents exam errors
Eileen Welch
7/1/11
Read Re: a history of regents exam errors
Eileen Lane
6/21/11
Read Re: RE: Algebra 2/Trig Regents
Menapace, Susan
6/21/11
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Mimi Duncan
6/21/11
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Jason L
6/21/11
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Joe Del Giudice
6/21/11
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Nick B
6/21/11
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dfothergill@wvcsd.org
6/21/11
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ElizWaite@aol.com
6/21/11
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Jason
6/22/11
Read Re: Algebra 2/Trig Regents
Jonathan Halabi
6/22/11
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SRothwell@e1b.org
6/22/11
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maryanne doyle
6/22/11
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Jayson Kiang
6/22/11
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Nick B
6/22/11
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John
6/22/11
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StGOLD2112@aol.com
6/22/11
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Nick B
6/23/11
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precopio@nycap.rr.com
6/23/11
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TulloOLL@aol.com
6/23/11
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Deanna Tullison
6/23/11
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VERN TENNEY
6/23/11
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Adam Wittenstein
6/23/11
Read Geometry Regents
Amy Sacca
6/23/11
Read Re: Geometry Regents
Bonniebro@aol.com
6/23/11
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MHulton@holland.wnyric.org
6/23/11
Read RE: Algebra 2/Trig Regents
Eleanor Pupko
6/24/11
Read RE: Algebra 2/Trig Regents
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