http://www.mindbites.com/lesson/5125-trig-basic-trigonometry-part-i-sin-cos-tan-300 This 77 minute trigonometry lesson is for the beginning trigonometry student or is a good refresher for anyone who has not recently studied trigonometry. The lesson reviews triangles, the Pythagorean theorem and the 3 promaary trig ratios (Sine, Cosine and Tangent. In this lesson you will be introduced to the concepts of trigonometry and learn how to: - name the parts of a triangle and recognize acute, obtuse and right angle triangles; isosceles, equilateral and scalene triangles; and similar triangles - use the Pythagorean Theorem, hypotenuse, opposite side and adjacent side soh cah toa - find the sin, cos and tan of any angle, - use your calculator for trigonometry - find the length of the sides in any right angle triangle - find the unknown angle in any right angle triangle - solve right triangles This lesson contains explanations of the concepts and 27 example questions with step by step solutions plus 6 interactive review questions with solutions. Lessons that will help you with the fundamentals of this lesson include: - 135 Solving Linear Equations Part I (http://www.mindbites.com/lesson/5068) - 160 Operations with Radicals (http://www.mindbites.com/lesson/5065)
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