Law of Sines
In this Law of Sines instructional activity, students use trigonometric ratios to determine angle measurement and/or the length of the side of a triangle. This one-page instructional activity contains ten trigonometric ratio problems.
10th - 12th Math 3 Views 23 Downloads
Sine and Cosine of Complementary Angles and Special Angles
Building trigonometric basics here will last a mathematical lifetime. Learners expand on the previous lesson in a 36-part series by examining relationships between the sine and cosine of complementary angles. They also review the ratios...
9th - 10th Math CCSS: Designed
Trigonometry and the Pythagorean Theorem
Ancient Egyptians sure knew their trigonometry! Pupils learn how the pyramid architects applied right triangle trigonometry. When comparing the Pythagorean theorem to the trigonometric ratios, they learn an important connection that...
9th - 11th Math CCSS: Designed
New Review Trigonometric Ratios: Sine
What happens when you don't have enough information to use the Pythagorean Theorem? Time for some trig! The second lesson in a series of four introduces the definition of sine, teaches how to find the sine ratio of a right triangle, and...
6 mins 10th - 12th Math CCSS: Adaptable