Problem 43563. Calculate cosine without cos(x)

Created by Marco Tullio

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","relationshipId":"rId2","target":"/matlab/output.xml"}],"parts":[{"partUri":"/matlab/document.xml","relationship":[],"contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?><w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Solve cos(x).</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>The use of the function cos() and sin() is not allowed.</w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray type=\"array\"/></embeddedOutputs>"}]}

Solve

Solution Stats

104 Solutions
67 Solvers

Last Solution submitted on Dec 13, 2021

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

goc3 on 1 Dec 2016

A random test case was added to prevent hard-coded solutions.

Problem Recent Solvers67

Problem Tags

trigonometry

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Problem 43563. Calculate cosine without cos(x)

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers67

Suggested Problems

More from this Author5

Problem Tags

Community Treasure Hunt

Problem 43563. Calculate cosine without cos(x)

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers67

Suggested Problems

More from this Author5

Problem Tags

Community Treasure Hunt

Players