| Summary: | This lesson is for the beginning trigonometry student or for anyone who has not recently studied trigonometry. It includes a review of triangles, the Pythagorean theorem, the 3 primary trig ratios (Sine, Cosine and Tangent), and finding unknown sides and angles in right triangles.
After this lesson, you will be able to:
- name the parts of a triangle, hypotenuse, adjacent side and opposite side.
- recognize angles, right, obtuse or acute.
- understand triangles, isosceles, equilateral, scalene, similar.
- use the Pythagorean theorem.
- find the sin or cos or tan of any angle, sohcahtoa.
- use your calculator for trigonometry.
- find the unknown side in any right angle triangle.
- find the unknown angle in any right angle triangle.
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