Warning: Declaration of EasySocialControllerMain::checkToken() should be compatible with Joomla\CMS\MVC\Controller\BaseController::checkToken($method = 'post', $redirect = true) in /home/calcool/domains/calcoolacademy.com/public_html/administrator/components/com_easysocial/includes/controller.php on line 89
Warning: count(): Parameter must be an array or an object that implements Countable in /home/calcool/domains/calcoolacademy.com/public_html/administrator/components/com_easysocial/includes/privacy/privacy.php on line 335
Warning: count(): Parameter must be an array or an object that implements Countable in /home/calcool/domains/calcoolacademy.com/public_html/administrator/components/com_easysocial/includes/privacy/privacy.php on line 335
Toggle Sidebar
Forums 
Comments -
Post is under moderation
Tthearth posted a comment on ตอนที่ 6 การอินทิเกรตตรีโกณมิติพื้นฐาน (ฝึกทำโจทย์ (ต่อ)) (remake).Stream item published successfully. Item will now be visible on your stream. -
-
Post is under moderation
Tthearth just registered on the siteStream item published successfully. Item will now be visible on your stream.
You need to have an account to read the rest of the stream items. If you don't have an account yet, you will need to register first.
ตัวอย่างที่4 (ตรง3.24นาที)
ทำไมจาก = ......... + ∫sinxcos^2x d(cosx/-sinx) ---- บรรทัดที่2 ของวิธีทำ
= ......... - ∫(cosx)^2 dcosx ---- บรรทัดที่2 ของวิธีทำ
งงว่า cos^2x กับ (cosx)^2 มันเท่ากันหรอครับ