TEKS 111.42(c)(4)(E)

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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Shrutam is building free, screen-reader-friendly animated lessons for every TEKS standard. This page documents the standard text from the Texas Administrative Code so teachers, parents, and students can find exactly what students are expected to learn under TEKS 111.42(c)(4)(E).

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)(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;
• 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)(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.

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