Sum and Difference Identities & Formulas - Sine, Cosine, Tangent - Degrees & Radians, Trigonometry
1.2M views · Nov 8, 2016 · Education
Comments · 514
@TheOrganicChemistryTutor · 2 years ago (edited) · pinned
Trigonometry - Free Formula Sheet: <a href="https://www.video-tutor.net/formula-sheets.html">https://www.video-tutor.net/formula-sheets.html</a><br>Trigonometry Video Lessons: <a href="https://www.video-tutor.net/trigonometric-identities.html">https://www.video-tutor.net/trigonometric-identities.html</a><br>Final Exam and Test Prep Videos: <a href="https://bit.ly/41WNmI9">https://bit.ly/41WNmI9</a>
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@realking4918 · 8 years ago
cant wait til the semester is over
1K
@jojibot9193 · 7 years ago
Khanacademy is good but when it comes to triggo this guy is king
300
@inebriationconversation4526 · 7 years ago
Im cramming for an exam and i just wanna thank you cuz you've consistently helped me learn these ancient evil spells known as trig
1.1K
@thefakebro.s8643 · 9 years ago
Deserves the diamond play button
498
@adycarmona8486 · 6 years ago
This corona virus ain’t it lmao but we still need that grade 😔✊🏻
267
@SiphaFx · 2 years ago
Anyone notice how he repeats concepts relating to the topic he's teaching on all his videos regardless. Unlike telling you to go watch it on another of his videos?
81
@JJSmalls · 9 years ago
You explained this section better than my textbook did.
311
@jasonhess9307 · 2 years ago
You have allowed me to maintain a 3.7 gpa while working full-time and taking 16 hours a semester. You have singlehandedly taught me more than any teacher I have ever had. Thank you for your kindness and knowledge.
107
@randallmcgrath9345 · 5 years ago
No one:<br><br>O-chem Tutor, "I'm about to save this man's whole career."
39
@mariyahyisrael5598 · 7 years ago
you are the reason I almost got 100% on my college exam, best teacher ever
131
@thedragon9326 · 6 years ago (edited)
Anyone else learning this during the coronavirus quarantine?
546
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