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Resource Name Topic (Course) Technology Type \$? Browsing: All Content in Trigonometry for The Unit Circle Browse discussions Login to Subscribe / Save Results Exploring Trigonometric Functi... The Unit Circle (Trigonometry) Sketchpad Activity [1] This activity has students geometrically construct and investigate the graphs of sine and cosine based upon the lengths of the sides of a reference triangle. More: lessons, discussions, ratings, reviews,... Graphs of Sine, Cosine, and Ta... The Unit Circle (Trigonometry) TI-Nspire Activity [0] Students are introduced to the shapes of the sine, cosine, and tangent graphs. They will use a unit circle to calculate the x and y lengths of a triangle placed at different values along the circle. T... More: lessons, discussions, ratings, reviews,... Math Forum Teacher Packet: TI ... The Unit Circle (Trigonometry) TI-Nspire Lesson Plan [0] This packet contains a copy of the original problem used to create the activity, rationale and explanation behind the “Make a Mathematical Model” focal activity, and some thoughts on why this activity... More: lessons, discussions, ratings, reviews,... The Unit Circle, Sine, and Cos... The Unit Circle (Trigonometry) Flash Support Material [0] This mini-lesson explains the relationship of sine and cosine to the unit circle. More: lessons, discussions, ratings, reviews,... Cosine Box The Unit Circle (Trigonometry) Java Applet Tool [1] Applet that provides a visualization of the cosine function. Also can be used as a cosine calculator (degrees). Includes short activity in solving cos(x) = k equations. More: lessons, discussions, ratings, reviews,... Cosine Engine The Unit Circle (Trigonometry) Java Applet Tool [0] With this applet, students study the extrema of the function A cos^2 (t) + B cos(t) + C. A parabola is drawn with student-supplied coefficients and constant, and the unit circle is drawn below, so th... More: lessons, discussions, ratings, reviews,... Crane Ship The Unit Circle (Trigonometry) Java Applet Tool [1] Applet teaches an intuitive feel for the geometric length of sin(t) given the length of the hypotenuse and t. A crane is stationed on a ship. Its wire has the length of sin(t), where t is the angle ... More: lessons, discussions, ratings, reviews,... Ferris Wheel The Unit Circle (Trigonometry) Java Applet Tool [2] This aplet is an introduction to trigonometric functions. A small red gondola moving around a ferris wheel can be viewed from different angles. More: lessons, discussions, ratings, reviews,... Formula for sin(A+B) The Unit Circle (Trigonometry) Java Applet Tool [0] This applet teaches students geometrically that sin(A+B) = sin(A)cos(B) + cos(A)sin(B). Students can change the values of A and B. More: lessons, discussions, ratings, reviews,... Inequalities of Cosine The Unit Circle (Trigonometry) Java Applet Tool [0] This applet shows geometrically the solution set to inequalities cos t >= a or cos t <= a. The function graph is also displayed and updated. More: lessons, discussions, ratings, reviews,... Sine Box The Unit Circle (Trigonometry) Java Applet Tool [0] Applet that provides a visualization of the sine function. Also can be used as a sine calculator (degrees). Includes short activity in solving sin(x) = k equations. More: lessons, discussions, ratings, reviews,... Six Trig Functions The Unit Circle (Trigonometry) Java Applet Tool [0] This applet displays the six trig functions (sin, cos, tan, sec, csc, and cot) on the unit circle (degree measure). More: lessons, discussions, ratings, reviews,... Tangent Box The Unit Circle (Trigonometry) Java Applet Tool [0] Applet that provides a visualization of the tangent function. Also can be used as a tangent calculator (degrees). More: lessons, discussions, ratings, reviews,... The Graph of y = cos x The Unit Circle (Trigonometry) Java Applet Tool [0] Applet that shows the connection between the unit circle and the graph of the cosine function (degrees). More: lessons, discussions, ratings, reviews,... The Graph of y = sin ax The Unit Circle (Trigonometry) Java Applet Tool [0] Applet shows the connection between the unit circle and the graph of the sine function. Different coefficients of x modify the rate at which the graph is drawn, making it stretch or shrink along the ... More: lessons, discussions, ratings, reviews,... The Graph of y = sin x The Unit Circle (Trigonometry) Java Applet Tool [2] Applet that shows the connection between the unit circle and the graph of the sine function (degrees) More: lessons, discussions, ratings, reviews,... The Graph of y = sin x + cos x The Unit Circle (Trigonometry) Java Applet Tool [2] Applet geometrically demonstrates the construction of the graph y = sin x + cos x. More: lessons, discussions, ratings, reviews,... The graph of y = tan x The Unit Circle (Trigonometry) Java Applet Tool [1] This applet plots a graph of y = tan x along with a display of the unit circle in order to show the connection between the two. No units are given, but the function graph is in radians. More: lessons, discussions, ratings, reviews,... WebGrapher The Unit Circle (Trigonometry) Java Applet Tool [1] This is a Java graphing applet that can be used online or downloaded. The purpose it to construct dynamic graphs with parameters controlled by user defined sliders that can be saved as web pages or em... More: lessons, discussions, ratings, reviews,... a sin x + b cos x The Unit Circle (Trigonometry) Java Applet Tool [0] Geometric calculation of a sin x + b cos x (coefficients entered by student). Graph is shown on right. More: lessons, discussions, ratings, reviews,... cos t = a The Unit Circle (Trigonometry) Java Applet Tool [0] Given the cosine of t, students guess t (in degrees) in this Java applet. More: lessons, discussions, ratings, reviews,... sin t = a The Unit Circle (Trigonometry) Java Applet Tool [0] Given the sine of t, students guess t (in degrees) in this Java applet. More: lessons, discussions, ratings, reviews,... sin t >= a The Unit Circle (Trigonometry) Java Applet Tool [0] This applet shows geometrically the solution set to an inequality sin t >= a. The graph of sine is also displayed to the right and updated. Measurements in degrees only. More: lessons, discussions, ratings, reviews,... Ferris Wheel Notice/Wonder The Unit Circle (Trigonometry) TI-Nspire Tool [0] Students write what they notice and wonder about a person riding a Ferris wheel, and then use TI-Nspire™ technology to measure quantities and develop a mathematical model describing the situation. 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