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Trig Identities

2023-04-06 Education
1.4m
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The Organic Chemistry Tutor
The Organic Chemistry Tutor
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Description

This trigonometry video tutorial discusses common trig identities and formulas such as the Pythagorean identities, reciprocal identities, quotient identities, even odd identities, cofunction identities, double angle formulas, half angle formulas, sum and difference identities, power reducing formulas, product to sum identities, and sum to product identities. Trigonometry - Free Formula Sheet: https://www.video-tutor.net/formula-sheets.html Trigonometry Video Lessons: https://www.video-tutor.net/trigonometric-identities.html Trigonometry Final Exam Review: https://www.youtube.com/watch?v=OAsbx4TEnL0 Final Exam and Test Prep Videos: https://bit.ly/41WNmI9

Top Comments (10)

@krisztian1238 2024-05-15

This the day I realized it wasn't all sunshine and rainbows😭🙏

2.9k 29 replies
@anderdominique257 2025-09-15

maybe 5 hours of reels was a bad idea

1.8k 31 replies
@Pugsgunsandstuff 2024-05-08

Fought the whole semester to keep my A, this is what's going to blow it for me. This stuff makes absolutely zero sense without a reference sheet or something.

1.2k 16 replies
@twa9342 2023-04-06

The Organic Chemistry Tutor reigns supreme

1.1k
@miku9277 2025-03-04

"me at the begining of trig identities: this is actually easy!" I was then shot 47 times.

712 4 replies
@ItsMeEnduur 2025-02-19

There's too types of comments for videos like these. "Wow this video helped me so much, I'm so glad that I'll do well 😊" or "it's completely and absolutely over. I'm failing math bruhhh".

246 3 replies
@wowzerzzzzzzzzzzzz 2026-01-25

why does it just keep getting worse

230 2 replies
@ronniewang0330 2025-12-15

divided by schools, united by trig💔🙏

152
@TheOrganicChemistryTutor 2023-12-13

Trigonometry - Free Formula Sheet: https://www.video-tutor.net/formula-sheets.html Trigonometry Video Lessons: https://www.video-tutor.net/trigonometric-identities.html Final Exam and Test Prep Videos: https://bit.ly/41WNmI9

140 6 replies
@KiaraMcPhee-w5q 2026-05-08

You know you’re cooked when the organic chem teacher doesn’t make sense to you

14 1 replies

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