Tangents Teacher Resources
Find Tangents educational ideas and activities
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Tangents and Circles - Geometry Help
Does watching a person do a math problem help you understand a mathematical concept? If it does then this clip will be a great help. The tutor in this clip completes a geometry problem involving tangents, circles, and the Pythagorean Theorem.
3 mins 9th - 12th Math 3 Views 1 Download
The Unit Circle
Students play a game based on the unit circle used in trigonometry. In this lesson on the unit circle, students draw a card a perform a given task including measuring degrees, radians, locating coordinates and finding the value of various functions.
11th - 12th Math 22 Views 98 Downloads
Angles in Standard Positions
Learners identify positive and negative angles using the Unit Circle. In this pre-calculus instructional activity, students identify the different angles on a unit circle using the coordinate plane and the four different quadrants as a guide.
9th - 11th Math 9 Views 39 Downloads
Tangents, Secants, and Chords
In this tangents, secants and chords learning exercise, 10th graders identify and solve 48 different problems that include using 3 different theorems for defining circles. First, they determine the area of each circle with C as the center and a given tangent line.
10th Math 11 Views 118 Downloads
Students solve problems with circles and their properties. In this geometry instructional activity, students calcualte the diameter, radius, circumference and area of a circle. They identify the secant and tangent lines. They find the measurements of the chords.
9th - 10th Math 5 Views 60 Downloads
In this circles activity, 10th graders solve and complete 20 different problems related to various circles. First, they find the radius and diameter of a circle with a given circumference. Then, students determine the measure of each minor arc of a regular decagon inscribed in a circle.
10th Math 3 Views 0 Downloads
In this exploring circles worksheet, 10th graders solve 155 various types of problems that include exploring circles. First, they determine the circumference of a circle with a radius of the given length. Then, students create circle graphs with the given information.
10th Math 7 Views 9 Downloads
Trigonometric Functions of Acute Right Triangles
Young scholars derive the six trigonometric functions. In this trigonometry lesson, students show their understanding of trigonometric functions as they relate the right triangles. They find the missing angles and side use trig ratios of sine, cosine and tangent.
9th - 11th Math 16 Views 65 Downloads
Indirect Measurement Technique: Using Trigonometric Ratios
Students explore the concept of trigonometric ratios. In this trigonometric ratios lesson, students use trigonometric ratios and the angle of elevation/depression to determine the height of an object. Students use their clinometer made from a protractor, string, hex nut, and tape to determine the angle of depression/elevation of an object or building.
9th - 12th Math 14 Views 86 Downloads
Computing by Degrees!
Tenth graders explore the trigonometric ratios. For this geometry lesson, 10th graders solve problems using sine, cosine, and tangent to find missing triangle measurements. Students investigate real-world problems using the trigonometric ratios and their inverses.
10th Math 4 Views 34 Downloads
Right Triangles and the Hypotenuse
Students explore geometry by completing worksheets in class. In this angles instructional activity, students identify the difference between a right angle, obtuse angle and acute angle. Students practice finding the sine, cosine and tangent ratios of triangles on a math worksheet.
10th - 12th Math 5 Views 55 Downloads
Review of Trig Ratios
In this trigonometric ratios activity, students solve and complete 10 various types of problems. First, they write the degrees listed in radian measure. Then, students find the exact ratios for each equation. They also find the value of x in each triangle and evaluate.
11th - Higher Ed Math 11 Views 92 Downloads
Understanding Fundamental Trigonometric Identities
Students are introduced to the basic trigonometric identities. Using a diagram, they discover why the parts of the unit circle as named as they are and use equations to finalize the Pythagorean trigonometric identities. They also review basic algrebra terminology that could be useful in the present.
9th - 12th Math 13 Views 60 Downloads