Pembicaraan:Daftar identitas trigonometri

message: Hello fellow editors,
I have found one or more external links on Daftar identitas trigonometri that are in need of attention. Please take a moment to review the links I found and correct them on the article if necessary. I found the following problems:
*https://personal.math.ubc.ca/~cbm/aands/page_78.htm is found to be dead. Recommend adding https://web.archive.org/web/20231024033755/https://personal.math.ubc.ca/~cbm/aands/page_78.htm to the original URL.
*https://mathworld.wolfram.com/Covercosine.html is found to be dead. Recommend adding https://web.archive.org/web/20230617004437/https://mathworld.wolfram.com/Covercosine.html to the original URL.
*https://mathworld.wolfram.com/Haversine.html is found to be dead. Recommend adding https://web.archive.org/web/20230617004439/https://mathworld.wolfram.com/Haversine.html to the original URL.
*https://mathworld.wolfram.com/Hacoversine.html is found to be dead. Recommend adding https://web.archive.org/web/20230617004438/https://mathworld.wolfram.com/Hacoversine.html to the original URL.
*https://mathworld.wolfram.com/Havercosine.html is found to be dead. Recommend adding https://web.archive.org/web/20230617004437/https://mathworld.wolfram.com/Havercosine.html to the original URL.
*https://mathworld.wolfram.com/Hacovercosine.html is found to be dead. Recommend adding https://web.archive.org/web/20230617004438/https://mathworld.wolfram.com/Hacovercosine.html to the original URL.
*https://courses.lumenlearning.com/boundless-algebra/chapter/trigonometric-identities/ is found to be dead. Recommend adding https://web.archive.org/web/20220515204800/https://courses.lumenlearning.com/boundless-algebra/chapter/trigonometric-identities/ to the original URL.
*https://mathworld.wolfram.com/Cis.html is found to be dead. Recommend adding https://web.archive.org/web/20160127061403/http://mathworld.wolfram.com/Cis.html to the original URL.
*http://www.mathwords.com/c/cis.htm is found to be dead. Recommend adding https://web.archive.org/web/20230716150005/http://www.mathwords.com/c/cis.htm to the original URL.
*https://math.libretexts.org/Bookshelves/Precalculus/Precalculus_(OpenStax)/07%3A_Trigonometric_Identities_and_Equations/7.02%3A_Sum_and_Difference_Identities is found to be dead. Recommend adding https://web.archive.org/web/20230208073354/https://math.libretexts.org/Bookshelves/Precalculus/Precalculus_(OpenStax)/07%3A_Trigonometric_Identities_and_Equations/7.02%3A_Sum_and_Difference_Identities to the original URL.
*http://www.milefoot.com/math/trig/22anglesumidentities.htm is found to be dead. Recommend adding https://web.archive.org/web/20230403215053/http://www.milefoot.com/math/trig/22anglesumidentities.htm to the original URL.
*https://mathworld.wolfram.com/Multiple-AngleFormulas.html is found to be dead. Recommend adding https://web.archive.org/web/20230617004440/https://mathworld.wolfram.com/Multiple-AngleFormulas.html to the original URL.
*https://trans4mind.com/personal_development/mathematics/trigonometry/multipleAnglesRecursiveFormula.htm is found to be dead. Recommend adding https://web.archive.org/web/20230525030307/https://www.trans4mind.com/personal_development/mathematics/trigonometry/multipleAnglesRecursiveFormula.htm to the original URL.
*https://mathworld.wolfram.com/Tangent.html is found to be dead. Recommend adding https://web.archive.org/web/20230623171303/https://mathworld.wolfram.com/Tangent.html to the original URL.
*https://mathworld.wolfram.com/Cosecant.html is found to be dead. Recommend adding https://web.archive.org/web/20230617004439/https://mathworld.wolfram.com/Cosecant.html to the original URL.
*https://mathworld.wolfram.com/Secant.html is found to be dead. Recommend adding https://web.archive.org/web/20230617004441/https://mathworld.wolfram.com/Secant.html to the original URL.
*https://mathworld.wolfram.com/Cotangent.html is found to be dead. Recommend adding https://web.archive.org/web/20230623155437/https://mathworld.wolfram.com/Cotangent.html to the original URL.
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Cheers.—InternetArchiveBot (Melaporkan kesalahan) 29 Oktober 2023 16.49 (UTC)
thread_title:  External links found that need fixing (Oktober 2023)