Explore some right triangle trigonometry with a straightforward video lesson. The instructor presents problems requiring scholars to use trig ratios to find unknown side measures. She provides worked-out solutions for those needing step-by-step instructions.

Concepts

sine, cosine, tangent, right triangles, trigonometric ratios, sides

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Additional Tags

math

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Instructional Ideas

• Create a guided notes document for pupils to complete while viewing the video lesson

Classroom Considerations

• Monitor YouTube comments if they show on screen as they may not be appropriate
• Learners should have a solid understanding of the three trigonometric ratios prior to the lesson

• This video is hosted on YouTube

Pros

• Takes time to explain the algebra steps after setting up the equation
• Short length helps to maintain viewers' attention

Cons

• None

Common Core

SL.9-10.2 HSG-SRT.C.8 RST.9-10.7