{"id":1012,"date":"2016-07-20T01:41:25","date_gmt":"2016-07-20T01:41:25","guid":{"rendered":"https:\/\/sqltutorial.org\/?page_id=1012"},"modified":"2025-03-16T20:49:22","modified_gmt":"2025-03-17T03:49:22","slug":"sql-tan","status":"publish","type":"page","link":"https:\/\/www.sqltutorial.org\/sql-math-functions\/sql-tan\/","title":{"rendered":"SQL TAN Function"},"content":{"rendered":"\n<p>The SQL <code>TAN <\/code>function calculates the tangent of an input argument.<\/p>\n\n\n\n<p>In math, given the ABC triangle, the tan(A) is defined as the ratio between the side opposite to the A (a) and the side adjacent to the A (b) as follows:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\">tan A = a \/ b<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"292\" height=\"306\" src=\"https:\/\/www.sqltutorial.org\/wp-content\/uploads\/2016\/07\/SQL_trigonometry_triangle.png\" alt=\"SQL TAN Function\" class=\"wp-image-1013\" title=\"SQL TAN function\" srcset=\"https:\/\/www.sqltutorial.org\/wp-content\/uploads\/2016\/07\/SQL_trigonometry_triangle.png 292w, https:\/\/www.sqltutorial.org\/wp-content\/uploads\/2016\/07\/SQL_trigonometry_triangle-286x300.png 286w\" sizes=\"auto, (max-width: 292px) 100vw, 292px\" \/><\/figure>\n\n\n\n<p>For the inverse of the <code>TAN<\/code> function, see the <a class=\"icon-more\" href=\"https:\/\/www.sqltutorial.org\/sql-functions\/sql-atan\/\"><code>ATAN<\/code><\/a> function.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='syntax'>Syntax <a href=\"#syntax\" class=\"anchor\" id=\"syntax\" title=\"Anchor for Syntax\">#<\/a><\/h2>\n\n\n\n<p>The following shows the syntax of the <code>TAN <\/code>function.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\">TAN(numeric_expression)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\" id='argument'>Argument <a href=\"#argument\" class=\"anchor\" id=\"argument\" title=\"Anchor for Argument\">#<\/a><\/h2>\n\n\n\n<p>The <code>TAN <\/code>function accepts a <code>numeric_expression<\/code> that represents the angle in radians for which the tangent is calculated.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='return'>Return <a href=\"#return\" class=\"anchor\" id=\"return\" title=\"Anchor for Return\">#<\/a><\/h2>\n\n\n\n<p>The <code>TAN <\/code>function returns a floating-point number.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='examples'>Examples <a href=\"#examples\" class=\"anchor\" id=\"examples\" title=\"Anchor for Examples\">#<\/a><\/h2>\n\n\n\n<p>The following example returns the tangent 0:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  <span class=\"hljs-keyword\">tan<\/span>(<span class=\"hljs-number\">0<\/span>) <span class=\"hljs-keyword\">result<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIFRBTigwKSByZXN1bHQ7\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"> result\n<span class=\"hljs-comment\">--------<\/span>\n      0<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Most database systems support the <code>TAN <\/code>function with the same behavior.<\/p>\n<div class=\"helpful-block-content\" data-title=\"\">\n\t<header>\n\t\t<div class=\"wth-question\">Was this tutorial helpful ?<\/div>\n\t\t<div class=\"wth-thumbs\">\n\t\t\t<button\n\t\t\t\tdata-post=\"1012\"\n\t\t\t\tdata-post-url=\"https:\/\/www.sqltutorial.org\/sql-math-functions\/sql-tan\/\"\n\t\t\t\tdata-post-title=\"SQL TAN Function\"\n\t\t\t\tdata-response=\"1\"\n\t\t\t\tclass=\"wth-btn-rounded wth-yes-btn\"\n\t\t\t>\n\t\t\t\t<svg\n\t\t\t\t\txmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n\t\t\t\t\tviewBox=\"0 0 24 24\"\n\t\t\t\t\tfill=\"none\"\n\t\t\t\t\tstroke=\"currentColor\"\n\t\t\t\t\tstroke-width=\"2\"\n\t\t\t\t\tstroke-linecap=\"round\"\n\t\t\t\t\tstroke-linejoin=\"round\"\n\t\t\t\t\tclass=\"feather feather-thumbs-up block w-full 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2H17\"\n\t\t\t\t\t><\/path>\n\t\t\t\t<\/svg>\n\t\t\t\t<span class=\"sr-only\"> No <\/span>\n\t\t\t<\/button>\n\t\t<\/div>\n\t<\/header>\n\n\t<div class=\"wth-form hidden\">\n\t\t<div class=\"wth-form-wrapper\">\n\t\t\t<div class=\"wth-title\"><\/div>\n\t\t\t\n\t\t\t<textarea class=\"wth-message\"><\/textarea>\n\n\t\t\t<button class=\"btn btn-primary wth-btn-submit\">Send<\/button>\n\t\t\t<button class=\"btn wth-btn-cancel\">Cancel<\/button>\n\t\t\n\t\t<\/div>\n\t<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The SQL TAN function calculates the tangent of an input argument. In math, given the ABC triangle, the tan(A) is defined as the ratio between the side opposite to the A (a) and the side adjacent to the A (b) as follows: For the inverse of the TAN function, see the ATAN function. Syntax # [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1083,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1012","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SQL TAN: Calculates Tangent of an Argument<\/title>\n<meta name=\"description\" content=\"This tutorial explains the tangent concept and shows you how to use the SQL TAN function to calculate the tangent of a argument.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sqltutorial.org\/sql-math-functions\/sql-tan\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SQL TAN: 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