{"id":13120,"date":"2015-11-16T18:46:01","date_gmt":"2015-11-16T18:46:01","guid":{"rendered":"http:\/\/www.oracletutoring.ca\/blog\/?p=13120"},"modified":"2015-11-16T18:46:01","modified_gmt":"2015-11-16T18:46:01","slug":"math-polar-coordinates","status":"publish","type":"post","link":"https:\/\/www.oracletutoring.ca\/blog\/math-polar-coordinates\/","title":{"rendered":"Math:  polar coordinates"},"content":{"rendered":"<h1>The tutor introduces another way of stating a point location.<\/h1>\n<p>Back in my <a href=\"?p=12878\">Oct 29<\/a> post I described angles in standard position and reference angles with a couple of illustrations.  The idea relates to polar coordinates.<\/p>\n<p>With (x,y) coordinates, which are known as <em>rectangular coordinates<\/em>, the location is indicated by (across, up or down).  With polar coordinates, it&#8217;s related by (distance from (0,0), angle in standard position).<\/p>\n<p><strong>Example 1:  Show the location (-20,9) in polar coordinates.<\/strong><\/p>\n<p>Solution:  From the illustration below, see that (-20,9) is 21.9, 155.8\u00b0 in polar coordinates.    <\/p>\n<p><img decoding=\"async\" src=\"\/..\/images\/polar0.png\" style=\"display:block;margin:auto\"\/><\/p>\n<p>In a coming post I&#8217;ll show how to convert from rectangular to polar coordinates:)<\/p>\n<p>Source:<\/p>\n<p>Larson, Roland E. and Robert P. Hostetler.  <u>Calculus<\/u>.  Toronto:  DC Heath and Company,<br \/>&nbsp;&nbsp; 1989.<\/p>\n<p>Jack of <a href=\"https:\/\/www.oracletutoring.ca\">Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The tutor introduces another way of stating a point location. Back in my Oct 29 post I described angles in standard position and reference angles with a couple of illustrations. The idea relates to polar coordinates. With (x,y) coordinates, which &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/www.oracletutoring.ca\/blog\/math-polar-coordinates\/\"> <span class=\"screen-reader-text\">Math:  polar coordinates<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[1196,1197],"class_list":["post-13120","post","type-post","status-publish","format-standard","hentry","category-math","tag-polar-coordinates","tag-rectangular-coordinates"],"_links":{"self":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/13120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/comments?post=13120"}],"version-history":[{"count":14,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/13120\/revisions"}],"predecessor-version":[{"id":13134,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/13120\/revisions\/13134"}],"wp:attachment":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/media?parent=13120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/categories?post=13120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/tags?post=13120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}