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Reference Angles and Coterminal Angles Mazes
Reference Angles and Coterminal Angles Mazes Students will practice identifying reference angles and coterminal angles given angles in degrees and radians. There are four unique mazes included. Students use their solutions to navigate through the maze. These work well as warm-ups, alternative home
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Finding Reference Angles Evaluating Trig Functions on Unit Circle plus HW  Quiz
Trigonometry In this no prep activity, students determine reference angles for positive and negative angles in both degrees and radians. Students also use reference angles to find the six trigonometric functions of the special angles. This resource is appropriate for Trigonometry, PreCalculus, Geo

Also included in: Trigonometric Functions Unit Bundle for PreCalculus and Trigonometry

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Trigonometry Common Reference Angles Table  Unit Circle
This color-coded table of Common Reference Angles of the Unit Circle helps students learn the basic trig values in both radians and degrees. Students can see patterns by way of the colors. It is an excellent reference sheet for Calculus students, Calculus AB, Calculus BC, and Dual enrollment. It is

Also included in: Bundle of Foldable Organizers for Trigonometry or PreCalculus

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Trigonometry: Reference Chart with Reference Angles
This is a great hands on activity. Students will create their own reference chart for when theta terminates in each of the 4quadrants. The chart looks like a bow tie. Students are given the trig tie, directions, and the pieces that need to be identified on the worksheet. Students are to cut out the
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Math Worksheet 0045 - Reference Angle
This worksheet contains 30 reference angle graphs. Students must examine each graph and determine the reference angle of the angle given in the graph. Answers are also included on a separate document. Please examine the screenshots of the worksheet to get an idea of the layout of the sheet, and a
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Trig Reference Angles Digital Task Cards with GOOGLE Slides™
In this no prep fun activity, students determine reference angles for positive and negative angles in both degrees and radians, and also use reference angles to find the six trigonometric functions of angles. This can be used in Trigonometry, PreCalculus, Geometry, Algebra 2. Problems are in degrees

Also included in: PreCalculus Trigonometry Bundle of Interactive Activities with GOOGLE Slides™

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Bundle: Coterminal Angles and Reference Angles
These two worksheets practice graphing angles in standard form, finding a positive and negative coterminal angle, and finding reference angles, in both degrees and radians.
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T11. Unit Circle – Angles and Reference Angles
This worksheet practices drawing an angle in standard form, giving the quadrant it lands in, and the reference angle. It has a mix of radians and degrees.
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Reference Angle Old Maid
Focusing mostly on radians, this game of old maid was created to increase fluency and speed when recognizing reference angles on the unit circle. Students have to determine both what the reference angle is AND in which quadrant the angle terminates. It's a fun way for students to practice. They have
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T18b. Coterminal Angles and Reference Angles in Degrees B
Practice graphing angles in standard form, finding a positive and negative coterminal angle, and finding reference angles.

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THE REFERENCE TRIANGLE AND THE REFERENCE ANGLE
One of the most confusing topics to students when teaching trigonometry is the concept of reference angles and triangles. Many books do not tie this concept holistically so that students can understand how to compute the reference angle of any angle and also to come up with the reference triangle fo
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T18a. Coterminal Angles and Reference Angles in Radians A
Practice graphing angles in standard form, finding a positive and negative coterminal angle, and finding reference angles.

Also included in: Bundle: Coterminal Angles and Reference Angles

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Reference Angle Task Cards
These task cards are great practice for all types of reference angle problems. The first ten are the easiest and the most straightforward. Trig functions are then used when practicing the reference angles. Students should be familiar with exact values for their trig functions as the last ten (31-
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Reference Angle War Cards
Students find the reference angle of angles given in both angles and degrees to play the card game of War.
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Reference Angles Match 2 Activity; Trigonometry, PreCal, Degrees, Radians
About this resource: This document contains 24 tiles that test knowledge of finding reference angles in degrees and in radians. Students must find tiles with matching reference angles, resulting in 12 matches total! Radian measure must be reduced to make matching more difficult. Spacing is left on e
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Worksheet: Angles, Rotations, Reference Angles, Coterminal Angles, Quadrants
This worksheet ties together many concepts needed to master angles. This 10-question worksheet allows students to practice working with angles (positive and negative), sketch them on a coordinate plane, determine the quadrant and number of rotations, reference angle and a coterminal angle that corre
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Trig Reference Angles Quiz Quiz Trade
This activity is called Quiz and Trade. Each paper has a trig function on it (all six are included) or a reference angle on it (degrees and radians). When you copy this, copy the trig chart on the back so each paper has that chart on the back. Then you let the class loose to quiz each other and trad
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Coterminal and Reference Angles
Full-length PPT lesson on finding coterminal angles in radians and degrees, as well as using coterminal angles to determine sine, cosine, and tangent of a given measure. Reference angles are delineated by quadrant, with one example and formula for each quadrant. After this, I just use the free KUTA
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Reference Angles & Coterminal Angles Packet Doodle Graphic Organizer
Doodle graphic organizer used to develop an understanding of reference angles and coterminal angles. Two separate pages reinforce the topic. Allow your students the ability to use visual cues to aid in memory and recall. The document prints on standard paper but can be trimmed to fit a composition n
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DISCOVERING REFERENCE ANGLES - A Blended Approach
Reference Angles are an important concept that students must learn before they can go on to understanding the unit circle. In this discovery activity students manipulate an online unit circle in order to understand the meaning of reference angles. This is an active learning worksheet where students
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Formulas - Reference Angles
This self checking worksheet uses a domain of all real numbers for the student to identify the reference angle between 0 and 90 degrees or 0 and pi/2. Half the worksheet is in degrees and half is in radians. Some angles are greater than 360 (or 2pi) and some are less than 0. Upon completion, the
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Reference Angle Uno
Help your students obtain a better understanding of reference angles with this fun game! Students will play a familiar game of Uno but this time they will be using their mathematical knowledge to determine what cards are suitable matches. This activity is differentiated so that you can choose the di
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Trigonometry- Inverse Trig Functions and Reference Angles
Students often find the concept of inverse trig functions confusing. Inverse cosine is only defined in Quadrants 1 and 2 and Inverse Sin is only defined in Quadrants 1 and 4. However, it is possible to find angles that work for these inverse trig functions in all 4 quadrants. This worksheet forces
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Coterminal and Reference Angles ExamView Test Bank
This ExamView question bank contains 17 questions on finding coterminal and reference angles. Features: *Every question is dynamic which means ExamView can change the values in each problem with a click of a button. This feature will allow you to create numerous versions of worksheets and tests. *
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