Trigonometry: How to Remember? + GET A GIFT from Olga Alexandrovna

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Published on Premiered Nov 17, 2020
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???? Choose a math course with Olga Aleksandrovna. The first lesson is FREE: https://bit.ly/2UBfLju ???? Get a 500 ruble discount on any package of lessons with a tutor. Find the promo code inside the video :) ✔️Sign up for a tutor at the TutorOnline school: https://bit.ly/2KLWVS5 ✔️Get an answer to any question from a professional teacher: https://otvetka.tutoronline.ru/ Today, Olga Aleksandrovna has collected all the methods for memorizing sines, cosines, tangents and cotangents in one video. But we will not limit ourselves to simple cramming, you will learn how to derive all these values ​​​​yourself in 1-2 minutes! And at the end of the video, a competition awaits you, the prizes for which Olga Aleksandrovna made with her own hands! Be sure to watch to the end if you want a gift =) Write your stories in the comments until 11/27/20, and then Olga Alexandrovna will choose the winners and send them a gift ???? ????Click the bell so you don't miss new videos! ????Don't forget to like, friends! Video content: 0:00 Introduction 0:52 Basics. Right triangle and the relationships of its sides. 2:15 The first way to memorize 4:04 The second way (for those who speak English) 5:24 How to memorize cosine 5:50 Scheme for memorizing the table of values ​​of basic angles 9:00 We derive the values ​​ourselves 14:30 Competition Watch our previous videos: 1. Mathematics in Germany: analysis of the exam in Berlin • Mathematics in Germany: analysis of the exam... 2. 6 limits for successfully passing the test in mathematical mathematics • Math. Limits for successfully passing the exam... Interesting videos: 1. Already 500 thousand subscribers on TutorOnline / Interview with favorite teachers! • Already 500 thousand subscribers on TutorOnl... 2. What is TutorOnline? Let's study together :) • Study with excellence with TutorOnline! The first lesson from the courses is FREE: https://www.tutoronline.ru/online-kursy ???? Join us on social networks: VKontakte: https://vk.com/tutoronline Telegram: https://t.me/tutoronline_courses TikTok: / tutoronline.ru RUTUBE: https://rutube.ru/channel/23838434/ #tutoronline #онлайншкола #рептиторонлайн

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