{"id":8492,"date":"2026-06-26T16:18:14","date_gmt":"2026-06-26T23:18:14","guid":{"rendered":"https:\/\/dornsife.usc.edu\/mathematics\/?page_id=8492"},"modified":"2026-07-14T09:42:41","modified_gmt":"2026-07-14T16:42:41","slug":"math-055-trigonometry","status":"publish","type":"page","link":"https:\/\/dornsife.usc.edu\/mathematics\/math-055-trigonometry\/","title":{"rendered":"MATH 055 &#8211; Trigonometry"},"content":{"rendered":"\n\n\n    \n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--image-gallery \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--image-gallery\"\n    \n      >\n\n    \n  <div class=\"inner-wrapper\">\n\n    \n      <div id=\"gallery-1239403779\" class=\"gallery-container\">\n\n      <div class=\"swiper images\">\n        <div class=\"swiper-wrapper\">\n                                    <div class=\"swiper-slide\">\n                                      \n<div class=\"f--field f--image\">\n\n    \n    \n    \n    \n    \n    \n              \n      <img\n                            data-src=\"https:\/\/dornsife.usc.edu\/mathematics\/wp-content\/uploads\/sites\/53\/2026\/06\/TrigImage-768x432.png\"\n          data-srcset=\"https:\/\/dornsife.usc.edu\/mathematics\/wp-content\/uploads\/sites\/53\/2026\/06\/TrigImage-1280x720.png 1280w,https:\/\/dornsife.usc.edu\/mathematics\/wp-content\/uploads\/sites\/53\/2026\/06\/TrigImage-768x432.png 768w\"          data-sizes=\"(min-width:1200px) 75vw, (min-width:768px) 83vw, 100vw\"          class=\"lazyload\"\n        \n                  alt=\"An image depicting a unit circle and different formulas relating to trigonometry and the unit circle.\"\n        \n        \n                                      \/>\n\n    \n    \n  \n  \n\n<\/div>\n                              <\/div>\n                              <\/div>\n      <\/div>\n\n      <div class=\"swiper captions\">\n        <div class=\"controls-container\">\n          <button class=\"button-prev\" aria-label=\"Previous Image\">\n            <svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"\n            x=\"0px\" y=\"0px\" viewBox=\"0 0 35 35\" enable-background=\"new 0 0 35 35\" xml:space=\"preserve\">\n            <polygon fill-rule=\"evenodd\" clip-rule=\"evenodd\" fill=\"#000\" points=\"15.7,27.5 5.7,17.5 \n            15.7,7.5 18.7,10.4 13.6,15.4 28.3,15.4 28.3,19.6 13.6,19.6 18.7,24.6 \"\/>\n            <\/svg>\n          <\/button>\n          <button class=\"button-next\" aria-label=\"Next Image\">\n            <svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"\n\t x=\"0px\" y=\"0px\" viewBox=\"0 0 35 35\" enable-background=\"new 0 0 35 35\" xml:space=\"preserve\"><polygon fill-rule=\"evenodd\" clip-rule=\"evenodd\" fill=\"#000\" points=\"19.3,27.5 29.3,17.5 \n\t19.3,7.5 16.3,10.4 21.4,15.4 6.7,15.4 6.7,19.6 21.4,19.6 16.3,24.6 \"\/>\n<\/svg>\n          <\/button>\n        <\/div>\n\n        <div class=\"swiper-wrapper\">\n                                    <div class=\"swiper-slide\">\n                              <\/div>\n                              <\/div>\n\n      <\/div>\n\n\n    <\/div>\n  \n  <\/div>\n\n\n  <\/div><\/div>\n\n\n\n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--rich-text \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--rich-text\"\n    \n      >\n\n    \n      \n<div class=\"f--field f--wysiwyg\">\n\n    \n  <h2><a href=\"https:\/\/drive.google.com\/file\/d\/1jdoRBDd0oJI04JIQgeRq0ek8AVfu-2Gv\/view?usp=drive_link\" target=\"_blank\" rel=\"noopener\">Fall 2026 Syllabus<\/a><\/h2>\n<p style=\"margin-top: 1cm; margin-bottom: 1cm;\">Math 055 is a 2-unit, 7-week support course is designed to reinforce trigonometry skills that are essential for success in Calculus. With hands-on activities and active collaboration, students will review and practice key topics including the unit circle, trigonometric functions, identities, graphs, inverse trigonometric functions, solving equations, and applications.<\/p>\n<p style=\"margin-top: 1cm; margin-bottom: 1cm;\">The course may be taken concurrently with Math 125 or Math 126, or independently for students preparing for the <strong><a href=\"https:\/\/dornsife.usc.edu\/mathematics\/usc-math-placement-exam\/\" target=\"_blank\" rel=\"noopener\">Math Placement Exam<\/a><\/strong>.\u00a0 At 2 units, it will often fit into a standard 4-course schedule without incurring additional tuition. Grading is exclusively P\/NP.<\/p>\n<p style=\"margin-top: 1cm; margin-bottom: 1cm;\">Math 055 is offered twice each semester, once in the first 7 weeks, then again in the second 7 weeks.\u00a0 The content of both sessions is identical.\u00a0 Each sessions is listed as a distinct Lecture\/Discussion pair in the <a href=\"https:\/\/classes.usc.edu\/term\/20263\/catalogue\/school\/DRNS\/program\/MATH\" target=\"_blank\" rel=\"noopener\"><strong>Schedule of Classes<\/strong><\/a>.\u00a0 Students should click on the <strong>View More<\/strong> buttons on the right to see exact session dates for each semester:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8703 size-full\" src=\"https:\/\/dornsife.usc.edu\/mathematics\/wp-content\/uploads\/sites\/53\/2026\/07\/Screenshot-2026-07-14-at-12.37.19-PM.png\" alt=\"An image showing Math 055 in the Schedule of Classes, and highlighting the &quot;View More&quot; buttons on the right side of the page.\" width=\"2334\" height=\"902\" srcset=\"https:\/\/dornsife.usc.edu\/mathematics\/wp-content\/uploads\/sites\/53\/2026\/07\/Screenshot-2026-07-14-at-12.37.19-PM.png 2334w, https:\/\/dornsife.usc.edu\/mathematics\/wp-content\/uploads\/sites\/53\/2026\/07\/Screenshot-2026-07-14-at-12.37.19-PM-100x39.png 100w, https:\/\/dornsife.usc.edu\/mathematics\/wp-content\/uploads\/sites\/53\/2026\/07\/Screenshot-2026-07-14-at-12.37.19-PM-768x297.png 768w, https:\/\/dornsife.usc.edu\/mathematics\/wp-content\/uploads\/sites\/53\/2026\/07\/Screenshot-2026-07-14-at-12.37.19-PM-1536x594.png 1536w, https:\/\/dornsife.usc.edu\/mathematics\/wp-content\/uploads\/sites\/53\/2026\/07\/Screenshot-2026-07-14-at-12.37.19-PM-2048x791.png 2048w\" sizes=\"(max-width: 2334px) 100vw, 2334px\" \/><\/p>\n<p>&nbsp;<\/p>\n\n\n\n<\/div>\n\n\n  <\/div><\/div>\n\n\n\n\n\n\n\n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--social-and-media-promo \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--social-and-media-promo\"\n    \n      >\n\n    \n  <div class=\"header-container\">\n    \n      <\/div>\n\n  <div class=\"social-container\">\n    \n    \n  <\/div>\n\n  \n\n  <\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":328,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-8492","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MATH 055 - Trigonometry - Department of Mathematics<\/title>\n<meta name=\"description\" content=\"Syllabus and Learning Objectives\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dornsife.usc.edu\/mathematics\/math-055-trigonometry\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MATH 055 - Trigonometry - Department of Mathematics\" \/>\n<meta property=\"og:description\" content=\"Syllabus and Learning Objectives\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dornsife.usc.edu\/mathematics\/math-055-trigonometry\/\" \/>\n<meta property=\"og:site_name\" content=\"Department of Mathematics\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-14T16:42:41+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/dornsife.usc.edu\\\/mathematics\\\/math-055-trigonometry\\\/\",\"url\":\"https:\\\/\\\/dornsife.usc.edu\\\/mathematics\\\/math-055-trigonometry\\\/\",\"name\":\"MATH 055 - Trigonometry - Department of Mathematics\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/dornsife.usc.edu\\\/mathematics\\\/#website\"},\"datePublished\":\"2026-06-26T23:18:14+00:00\",\"dateModified\":\"2026-07-14T16:42:41+00:00\",\"description\":\"Syllabus and Learning Objectives\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/dornsife.usc.edu\\\/mathematics\\\/math-055-trigonometry\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/dornsife.usc.edu\\\/mathematics\\\/math-055-trigonometry\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/dornsife.usc.edu\\\/mathematics\\\/math-055-trigonometry\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/dornsife.usc.edu\\\/mathematics\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"MATH 055 &#8211; 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