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# Posts by JDM Educational Staff

link to What Is A Probability Distribution? (3 Key Concepts To Grasp)
link to What Are The Output Values Of Cosine? (5 Key Values To Know)
link to What Are The Output Values Of Sine? (5 Key Values To Know)
link to When Are Triangles Similar? (3 Ways To Tell, With Examples)
link to Resistant & Non-Resistant Statistics (3 Things To Know)
link to What Is The Fibonacci Sequence? (3 Key Ideas)

What Is A Probability Distribution? (3 Key Concepts To Grasp)

Data, data, data. Our world is filled with data!!! Browse through news sites and you’ll likely find charts, graphs, pictograms etc. describing all kinds of phenomena in our world that’s filled...

What Are The Output Values Of Cosine? (5 Key Values To Know)

In trigonometry, you will sometimes see common input angles (such as 45 or 90 degrees) for the cosine function. It helps to know the corresponding outputs for these angles to help you do...

In trigonometry, we often use common input angles (such as 30 or 60 degrees) for the sine function. It helps to know the corresponding outputs for these common angles to increase your...

In geometry, you will often compare triangles to see if their side lengths or angles are the same. Congruent triangles are exactly the same in terms of side lengths and angles – but what...

At an early age, you probably learned about the mean, median, and mode - favorite topics among standardized tests! Perhaps in high school you also learned about standard deviation and...

Perhaps you remember problems like the following from standardized tests: Find the next two numbers in the given sequences: {3, 7, 11, 15, ___ , ____ }{1, 5, 25, 125, ___ , ____ } Do these...