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  • Cosine
9-12 Math 4:  Calculating and Measuring Perimeter Using The Laws of Sines and Cosines
Conditional Remix & Share Permitted
CC BY-NC-SA
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Overview:

A starting line and “target line” will be laid out on the floor of the activity area.  Students will program their robots to traverse the perimeter of a triangle of specified dimensions.  Students will have to use the Laws of Sines and Cosines to calculate the speed, direction, and travel time for each leg of their robot’s travel.  

Subject:
Mathematics
Material Type:
Activity/Lab
Author:
William Allred
Carrie Robledo
Date Added:
05/19/2021
Graphing Sine and Cosine Functions Assessment
Unrestricted Use
CC BY
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Overview:

This assessment is used to check for understanding of standard NC.M4.AF.2.3  The assessment is open-ended and asks for students to provide understanding of amplitude, period, phase shift and vertical shift of sine and cosine graphs.  It also assesses writing equations of sine and cosine and sketching their graphs.

Subject:
Advanced Functions and Modeling
Material Type:
Assessment
Author:
ANNA GILLESPIE
Date Added:
02/10/2021
Right Triangle Trigonometry: Cosine and Inverse Cosine
Unrestricted Use
CC BY
Rating
3.0 stars
Overview:

Description of cosine function with image, calculation of length of hypotenuse with known angle and adjacent side, calculation of angle with known adjacent and hypotenuse sides. Explanation of inverse cosine. Interactive fill in the blank of main points.

Subject:
Geometry
Material Type:
Interactive
Provider:
Michigan Virtual
Date Added:
07/19/2019
What the Doppler Effect Tells Us About Distant Stars and Planets
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Overview:

In this demonstration, students experience the Doppler effect for sound. Students can compute the frequency change for motion along the line of sight (LOS) and determine the vector LOS component for motions not exactly on it. A buzzer, battery, bicycle wheel, string and a rubber ball and a timer are needed for the demonstration. The resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications.

Subject:
Science
Material Type:
Simulation
Provider:
NASA
Provider Set:
NASA Wavelength
Date Added:
07/31/2019