Trigonometric Ratio Worksheets
How to Use Trigonometric Ratios to Finding Missing Sides of a Triangle  Trigonometric functions are vastly used in reallife situations. One of the most common uses of these functions is to solve triangles. You can use a trigonometric function to solve a triangle in three basic steps; You need to start by choosing the appropriate trigonometric function, including sine, cosine, or tangent. This can be done through the determination of which side you know and which side you are looking for. The next step is substitution; whatever information you have, you can insert it into the functions. Once you have substituted the values within the function, it is time to solve it.

Basic Lesson
Guides students solving ratio based triangle problems. In right triangle ABC, Hypotenuse AB = 15 and angle A = 35°. Find the length of BC, to the nearest tenth.
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Intermediate Lesson
Demonstrates how to missing legs and the hypotenuse based on ratios.In right triangle ABC, leg BC = 15 and leg AC = 20. Find angle A to the nearest degree. Tan A = Opposite Leg / Adjacent Leg.
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Independent Practice 1
A really great activity for allowing students to understand the concept of trigonometric ratios.
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Independent Practice 2
Students find the final value of missing trigonometric Ratios in assorted problems.
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Homework Worksheet
Students are provided with problems to achieve the concepts of missing trigonometric ratios.
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The Word of Henri Poincare...
"The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful."