{"id":3305,"date":"2020-04-12T12:07:00","date_gmt":"2020-04-12T12:07:00","guid":{"rendered":"https:\/\/www.eastrovedica.com\/wordpress\/?p=3305"},"modified":"2020-04-12T12:07:00","modified_gmt":"2020-04-12T12:07:00","slug":"the-brahmagupta-hypothesis-trgnometric-functions","status":"publish","type":"post","link":"https:\/\/www.eastrovedica.com\/wordpress\/?p=3305","title":{"rendered":"The Brahmagupta Hypothesis, Trgnometric Functions"},"content":{"rendered":"<div dir=\"ltr\" style=\"text-align: left;\">\n<p><\/p>\n<div style=\"clear: both; text-align: center;\">\n<\/div>\n<p><\/p>\n<div style=\"clear: both; text-align: center;\">\n<a href=\"https:\/\/1.bp.blogspot.com\/-gp3VliGSc6w\/XpMjsodm2bI\/AAAAAAAApNg\/s5JYHM1xdyQ8Ie89E39p2_7fTe4Hv14DACLcBGAsYHQ\/s1600\/630px-Modern_diagram_for_jya_and_kojya.svg.png\" style=\"margin-left: 1em; margin-right: 1em;\"><img loading=\"lazy\" decoding=\"async\" border=\"0\" data-original-height=\"590\" data-original-width=\"630\" height=\"299\" src=\"https:\/\/1.bp.blogspot.com\/-gp3VliGSc6w\/XpMjsodm2bI\/AAAAAAAApNg\/s5JYHM1xdyQ8Ie89E39p2_7fTe4Hv14DACLcBGAsYHQ\/s320\/630px-Modern_diagram_for_jya_and_kojya.svg.png\" width=\"320\" \/><\/a><\/div>\n<p>The first mathematical treatise,<br \/>\nWas the Brahma Sphuta Siddhanta,<br \/>\nWritten by the ace mathematician,<br \/>\nBrahmagupta from India.<\/p>\n<p>He called 5 degrees of the Zodiac, Jya,<br \/>\nAnd so a Zodiacal Sign of 30, has six&nbsp; Jyas.<br \/>\nHe gave Sine Tables for difference of 5 degrees,<br \/>\nAnd originated concepts of sine and cosine.<\/p>\n<p>As Trikonamithi became Trignometry,<br \/>\nAnd Jyamithi became Geometry later,<br \/>\nScience of Jyas was highlighted, <br \/>\nAs longitudes computation&nbsp; needed it.<\/p>\n<p>Bow and arrow was best example,<br \/>\nBow represents the Arc Sine, Chapa,<br \/>\nAnd the Versine, 1 &#8211; cos x, Sara,arrow,<br \/>\nAnd then, computation became simple.<\/p>\n<p>The rough Sine Table set up,<br \/>\nWas later modified by Aryabhata,<br \/>\nWho gave sine values for differences,<br \/>\nOf three degrees and minutes forty five.<\/p>\n<p>Since it deals with R Sine Differences,<br \/>\nIt cannot be called a Sine Table,<br \/>\nBut the Table of R Sine Differences,<br \/>\nOf great use to the computing student.<\/p>\n<p>Radius, R, is easy to calculate,<br \/>\n360 by 2 Pi is 57.3 degrees,<br \/>\nWhich converted is 206265 seconds,<br \/>\nThe Magic Figure of Astronomy. <\/div>\n","protected":false},"excerpt":{"rendered":"<p>The first mathematical treatise, Was the Brahma Sphuta Siddhanta, Written by the ace mathematician, Brahmagupta from India. He called 5 degrees of the Zodiac, Jya, And so a Zodiacal Sign of 30, has six&nbsp; Jyas. He gave Sine Tables for difference of 5 degrees, And originated concepts of sine and cosine. As Trikonamithi became Trignometry, &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.eastrovedica.com\/wordpress\/?p=3305\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;The Brahmagupta Hypothesis, Trgnometric Functions&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3305","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.eastrovedica.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3305","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eastrovedica.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.eastrovedica.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.eastrovedica.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eastrovedica.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3305"}],"version-history":[{"count":0,"href":"https:\/\/www.eastrovedica.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3305\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.eastrovedica.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eastrovedica.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eastrovedica.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}