Problem 1423. sinus function

Created by Marco Castelli

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x is the abscissa. find the absolute value of cosine of -x and the same value with changed sign.

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230 Solutions
140 Solvers

Last Solution submitted on Jun 19, 2020

Last 200 Solutions

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1 Comment

yurenchu on 30 Jul 2017

In addition to the weak test suite: The title of the problem says "Sinus function", yet the (incomplete) problem description mentions only "cosine" ??? Furthermore, should abs(cos(-x)) be assigned to y, or to z?

Solution Comments

Solution 1140390

1 Comment

1 Comment

Elmar Zander on 17 Mar 2017

Please improve the test cases. Returning 1 and -1 is complete enough with these sloppy tests.

Solution 940023

1 Comment

1 Comment

Ben Petschel on 22 Aug 2016

bad test suite

Solution 231995

1 Comment

1 Comment

Tim on 18 Apr 2013

The test suite is not very rigorous...

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change sign

Problem 1423. sinus function

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Last 200 Solutions

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Problem Recent Solvers140

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Problem 1423. sinus function

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers140

Suggested Problems

More from this Author11

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