PPT-Warm Up Using your unit circle find each value:

Sin 0 Sin Sin π Sin Sin 2 π   Chapter 4 Graphs of the Circular Functions Section 41 Graphs of the Sine and Cosine Functions Objective SWBAT graph the sine and cosine functions with variations in amplitude and periods . Inside the circle, list everything you have learned about stereotypes and immigration in the past two days. . Outside the circle, list everything you forgot but get from other classmates during our review. . The Unit Circle. The Unit Circle. Has a radius of 1. Center at the origin. Defined by the equations:. a) . b) . The Unit Circle. The real number . t. corresponds to the distance around the unit circle.. Inside the circle, list everything you have learned about stereotypes and immigration in the past two days. . Outside the circle, list everything you forgot but get from other classmates during our review. . Notes. Aidan Roche. 2009. 1. (c) Aidan Roche 2009. Given the centre and radius of a circle, to find the equation of Circle K?. K. r. Method. Sub centre & radius into: . (x – h). 2. + (y – k). Revision Notes. Active Maths 4 Book 2. Chapter 11. Name. :________________________________. Note: . Make sure to use the page numbers on the slides to refer back to your Active Maths book to get examples on how to complete the questions. . Instructional Days: 9. Common Core Standards . Expressing Geometric Properties with Equations G-GPE. Translate between the geometric description and the equation for a conic section. G-GPE.1 Derive the equation of a circle of given center and radius using the Pythagorean Theorem; complete the square to find the center and radius of a circle given by an . Notes. Aidan Roche. 2009. 1. (c) Aidan Roche 2009. Given the centre and radius of a circle, to find the equation of Circle K?. K. r. Method. Sub centre & radius into: . (x – h). 2. (y – k). Dr. Everett McCoy. The Learning Circle. You have a round lid and a stick.. Break the stick into two unequal lengths.. Place the sticks into the lid with the ends. at the rim so that they cross.. Place a mark at the crossing point on each. 1. Recall: We’ve defined the sine function in two ways. :. . and. ..  . 2. All the trig functions can also be defined in terms of the . unit circle. (circle with radius 1, centered at the origin. 5.3 Circumferences . & Areas of Circles. HSPA Problem of the Day:. Which figure below does . not. have an area of 100? . A. A . rectangle with length 2 . & . height 50.. B. A . triangle with base 100 . Lesson 8-4: Arcs and Chords. 1. Warm-Up #35 Wednesday, 5/18. Lesson 8-4: Arcs and Chords. 2. 1. Find the perimeter of the polygon. 2. Find the distance between the centers of the pulleys.. 3. . The radius of Earth is about 6400 km. Find the distance d, given h= 1km. Jeff hikes ½ mile every 15 minutes, or ¼ hour. . Why is 15 minutes equal to ¼ hour?. How far does Jeff hike in 1 hour?. 2 hours?. Method 1 – Use a Bar Diagram. How many ¼ hours are in 1 hour?. How far does Jeff hike in 1 hour?. A . = π . . .. To . find the area when the diameter of a circle is given, it . is necessary . to find the radius of the circle before using . the area . formula.. The . diameter is twice the radius, so to find the radius . Unit Circle ( √3 , 1 ) 2 2 ( 1 , √3 ) 2 2 ( √2 , √2 ) 2 2 30˚ 45˚ 60˚ Use the Unit Circle to find cos 135 Reference angle: 45 Coordinate: x