Lesson 2.6.3: Solving problems using sine and cosine
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For this lesson there are 14 steps for you to take. Scroll down and do each step one-by-one. The instructions under each step will help clarify exactly what you need to do, so please read all the instructions.
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Here is the Lesson 2.6.3 Worksheet
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1.) Start Notes: Targets
Title your notes and write the targets listed below.
Title your notes and write the targets listed below.
- I can find missing side lengths of triangles using sine and cosine.
3.) Video: Practice 1
Watch this video to see how we solve for missing side lengths. This video teaches the skill you need for the rest of the lesson. |
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5.) Video: Practice 2
Watch this video to see how I filled in the table AND what I discovered. |
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7.) Video: Practice 3
Watch this video to see how I find the missing side lengths in Practice 3. |
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9.) Video: Practice 4
Watch this video to see how I work through Practice 4. |
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11.) Video: Practice 5
Watch this video to see how I used Trigonometry to find the missing length of the triangle in Practice 5. |
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13.) Video: Practice 6
Watch this short video to see how I found the missing side length in Practice 6. |
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