Sine and Cosine Rules - 9th Grade, 10th Grade Digital Lesson CCSS.HSF-TF.B.7
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Description
Are you looking for an interactive and engaging way to teach your 9th and 10th-grade students about the sine and cosine rules? Our lesson is just what you need!
In this comprehensive lesson, students will learn how to use the sine and cosine rule to find unknown sides and angles, understand the relationship between the sine and cosine of complementary angles, and use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems. They'll also learn how to combine trigonometric skills to solve problems, derive the formula for the area of a triangle, and prove the Laws of Sines and Cosines.
Not only is this lesson educational and informative, but it's also interactive and engaging, ensuring that your students stay engaged and interested throughout the lesson. Don't miss out on this fantastic opportunity to bring some excitement to your math class. Download this amazing math resource bundle and save hours of lesson planning time!
Learning Objectives:
- use the sine rule to find unknown sides and angles;
- use the cosine rule to find unknown sides and angles;
- explain and use the relationship between the sine and cosine of complementary angles;
- use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems
- combine trigonometric skills to solve problems;
- derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side.
- prove the Laws of Sines and Cosines and use them to solve problems;
- understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles.
What is in the lesson:
- 39 interactive slides;
- Drag and drop activities with instant learner feedback;
- Differentiated questions as well as answers
- Printable interactive worksheets
Also included in High School Trigonometry Bundle
Teachers can use this lesson for whole-class teaching. It can also be used for practice and revision by learners at home.
Product License
This Trigonometry activity pack is a single-user license. Unlimited use for you and your students. However, you may not distribute additional copies to friends or fellow teachers.
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