In this video, we will cover some of the most basic elements that you need to know to understand how to simplify trigonometric identities. 00:29 Division Property of Trigonometric Function 05:55 Combi ...

It's all about knowing your Pythagorean Identities when you have to verify a trigonometric identity. Not sure? Check out this video where I go through the process step by step. Don't overlook when ...

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This week's UK heatwave caused school closures and disrupted learning, but it also reminded me of one of the most important ...

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The cosine rule is: \(a^2 = b^2 + c^2 - 2bc \cos{A}\) This version is used to calculate lengths. Calculate the length BC. Give the answer to three significant figures. Use the form \(a^2 = b^2 + c^2 - ...

\(\text{Area of a triangle} = \frac{1}{2} ab \sin{C}\) To calculate the area of any triangle the lengths of two sides and the angle in between are required. Rearrange the equation to make \(\sin{C}\) ...

Mathematics in Mesopotamia : Where did mathematics begin? ; Political history in Mesopotamia ; The number symbols ; Arithmetic operations ; Babylonian algebra ; Babylonian geometry ; The uses of ...

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