Right Triangle Trigonometry Guide & Notes π
Emergency sub plan with guided notes on right triangle trigonometry to keep students engaged and on task.

Does Math for Coffee
12.2K views β’ Apr 10, 2023

About this video
TEACHERS: Need an emergency sub plan or a ready-to-go review? This video includes a guided PDF notetaker (link below) to keep students engaged and on-task while you are away.
Full lesson to teach yourself, for homeschooling, for teachers who need a sub day lesson - starts with definitions and gets to solving for missing sides and angles. Includes an angle of elevation word problem. Reviews using trig functions on a phone calculator.
βοΈGet the notetaker here β‘ https://www.buymeacoffee.com/doesmath4coffee/e/129356
β°Chaptersβ°
0:00 Intro
0:49 Identify sides with respect to acute angles
3:23 Demonstration about ratio of sides
5:42 Define sine, cosine, tangent
6:50 Find sine, cosine, tangent given side lengths
10:21 Why we don't use the right angle
11:06 Example 1 - find missing side
14:20 TRY IT - find missing side
16:00 Example 2 - find missing hypotenuse
17:53 Example 3 - find missing angle using inverse trig functions
21:08 TRY IT - find missing angle
22:56 What does it mean to "solve a triangle"?
26:11 Angle of elevation problem
πIt really helps me here on YouTube when you like a video and subscribe. Thank you!!!!
Subscribe here: https://www.youtube.com/channel/UCjW6knhnAniI6L7NNACSzMA?sub_confirmation=1
βοΈThoughts? Would you do it differently? Questions? Request for a certain math topic? Leave a comment! I'd love to hear from you!
βIf my videos are helpful and you'd like to support this channel, help keep me caffeinated!
https://www.buymeacoffee.com/doesmath4coffee
Full lesson to teach yourself, for homeschooling, for teachers who need a sub day lesson - starts with definitions and gets to solving for missing sides and angles. Includes an angle of elevation word problem. Reviews using trig functions on a phone calculator.
βοΈGet the notetaker here β‘ https://www.buymeacoffee.com/doesmath4coffee/e/129356
β°Chaptersβ°
0:00 Intro
0:49 Identify sides with respect to acute angles
3:23 Demonstration about ratio of sides
5:42 Define sine, cosine, tangent
6:50 Find sine, cosine, tangent given side lengths
10:21 Why we don't use the right angle
11:06 Example 1 - find missing side
14:20 TRY IT - find missing side
16:00 Example 2 - find missing hypotenuse
17:53 Example 3 - find missing angle using inverse trig functions
21:08 TRY IT - find missing angle
22:56 What does it mean to "solve a triangle"?
26:11 Angle of elevation problem
πIt really helps me here on YouTube when you like a video and subscribe. Thank you!!!!
Subscribe here: https://www.youtube.com/channel/UCjW6knhnAniI6L7NNACSzMA?sub_confirmation=1
βοΈThoughts? Would you do it differently? Questions? Request for a certain math topic? Leave a comment! I'd love to hear from you!
βIf my videos are helpful and you'd like to support this channel, help keep me caffeinated!
https://www.buymeacoffee.com/doesmath4coffee
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Video Information
Views
12.2K
Likes
363
Duration
29:57
Published
Apr 10, 2023
User Reviews
4.6
(2)