| 2.10 Understand and Apply Concepts Related
to Trigonometry |
2.10 Grade 3
(Trigonometry) |
2.10 Grade 5
(Trigonometry) |
2.10 Grade 8
(Trigonometry) |
2.10 Grade 11
(Trigonometry) |
| A. Right triangles |
A1. Identify right angles in the environment. |
A1. Create right triangles on a geoboard. |
A1. Compute measures of sides and angles using proportions,
the Pythagorean Theorem, and right triangle relationships. |
A1. Identify, create, and solve practical problems involving
right triangles using the trigonometric functions and the Pythagorean Theorem. |
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A2. Model right angles and right triangles using concrete objects. |
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A2. Solve problems requiring indirect measurement for lengths
of sides of triangles. |
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| B. Angle measurements |
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B1. Identify and compare parts of right triangles including
right angles, acute angles, hypotenuse, and legs. |
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B1. Compute measures of angles in radians and degrees. |
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B2. Identify coterminal angles and reference angles. |
| C. Measuring and computing with triangles |
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C1. Use right triangle properties. |
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C2. Use the Law of Sine and Law of Cosine to solve side and
angle measurements of triangles. |
| D. Calculators and graphing calculators |
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D1. Use graphing calculators to display periodic and circular
functions, describe properties of the graphs. |