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# Precalculus notes

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### What is Circular Function? A Circular function can be defined in terms of an arc length and the coordinates of the terminal point of the arc on the unit circle. In this topic, we'll focus on studying its 3 basic Circular Functions which are Sine (Sin), Cosine (Cos), and Tangent (Tan) functions, and their Reciprocal Functions which are Cosecant (Csc), Secant (Sec), and Cotangent (Cot) functions.This is the image of the Unit Circle with angles in degree, radian measure, and their corresponding…

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### Law of Cosines PDF (Free Printable) which includes the formula, detailed steps to solve oblique triangles, and 2 practice problems. Great handout for students and teachers in PreCalculus, Trig, or even Algebra 2. Grab your FREE Cheat Sheet Today!

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### Pre-Calculus flippables that are color-coded are great for comprehension. Notes and practice problems for homework make mastery easy.

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### Precalculus will be moving beyond their introduction to functions and function notation from Algebra II and into a in-depth development of transformations. We will be applying transformations (translations, reflections, dilations, etc.) to many of the parent functions included in the image above (we will save trigonometry for the Spring!). Understanding transformations is a crucial link between the algebraic form of a function and its graphical behavior. We will spend a considerable amount…

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### Precalculus #notes

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