TEKS 111.42(c)(4)(C)
represent angles in radians or degrees based on the concept of rotation and find the measure of reference angles and angles in standard position;
Source: Texas Administrative Code §111.42 (Chapter 111) · Adopted 2012
Knowledge & Skills 111.42(c)(4)
Number and measure
The student uses process standards in mathematics to apply appropriate techniques, tools, and formulas to calculate measures in mathematical and real-world problems. The student is expected to:
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Other expectations under 111.42(c)(4)
- TEKS 111.42(c)(4)(A) determine the relationship between the unit circle and the definition of a periodic function to evaluate trigonometric functions in mathematical and real-world problems;
- TEKS 111.42(c)(4)(B) describe the relationship between degree and radian measure on the unit circle;
- TEKS 111.42(c)(4)(D) represent angles in radians or degrees based on the concept of rotation in mathematical and real-world problems, including linear and angular velocity;
- TEKS 111.42(c)(4)(E) determine the value of trigonometric ratios of angles and solve problems involving trigonometric ratios in mathematical and real-world problems;
- TEKS 111.42(c)(4)(F) use trigonometry in mathematical and real-world problems, including directional bearing;
- TEKS 111.42(c)(4)(G) use the Law of Sines in mathematical and real-world problems;
- TEKS 111.42(c)(4)(H) use the Law of Cosines in mathematical and real-world problems;
- TEKS 111.42(c)(4)(I) use vectors to model situations involving magnitude and direction;
- TEKS 111.42(c)(4)(J) represent the addition of vectors and the multiplication of a vector by a scalar geometrically and symbolically; and
- TEKS 111.42(c)(4)(K) apply vector addition and multiplication of a vector by a scalar in mathematical and real-world problems.