SohCahToa if: a.) you have 2 angles and an opposite angle b.) you have 3 sides c.) you have 2 angles and one side d.) you have a right angled triangle 6.) sin(α)/a=sin(β)/b is: a.) cosine law b.) SohCahToa c.) sine law d.) tangent law Give a short answer: 1. If you want to use the sine law to solve x‚ which sides and/or angles would you need? Explain. I would need side c plus another one with the corresponding angle because for the sine law I need
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Beyond Numeracy: Ruminations of a Numbers Man By John Allen Paulos Algebra – Some Basic Principles I always liked elementary algebra partly because my first teacher of it had been recruited (dragoonedV1 might be a better word) into teaching the subject even though she didn’t know a quadratic formula from an upper leg regimen. Being honest‚ however‚ she didn’t try to hide this fact‚ and being near retirement‚ she depended on her better students to help her out of any mathematical difficulties
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opposite angles are equal (angles "a" are the same‚ and angles "b" are the same) NOTE: Squares‚ Rectangles and Rhombuses are all Parallelograms! Name the kind of parallelogram this figure displays? Example 1: [pic] |[pic] |A parallelogram with: | | |all sides equal and | | |angles "a" and "b" as right angles
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initial velocity of the ball was solved (magnitude and direction) using the appropriate formula. Part II. Body Projected at an Angle 1. The launcher on the iron stand was mounted and its muzzle was positioned on one end of the laboratory table. 2. The launcher was adjusted so that the ball will be shot at the desired angles. 3. The launcher was fired at an angle of 15o and the approximate place where the ball strikes the table was noted. 4. The range of the ball was measured using a steel
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NATIONAL SENIOR CERTIFICATE GRADE 11 MATHEMATICS P2 EXEMPLAR 2013 MARKS: 150 TIME: 3 hours This question paper consists of 12 pages and 3 diagram sheets. Copyright reserved Please turn over Mathematics/P2 2 NSC – Grade 11 Exemplar DBE/2013 INSTRUCTIONS AND INFORMATION Read the following instructions carefully before answering the questions. 1. This question paper consists of 11 questions. 2. Answer ALL the questions. 3. Clearly show ALL calculations
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A DETAILED LESSON PLAN IN MATHEMATICS FOR THIRD YEAR HIGH SCHOOL I. Learning Competencies 1. Identify the properties of parallelogram; 2. Apply the properties of parallelogram in problem solving; 3. Relate the properties of the parallelogram to the real world. II. Subject Matter: Properties of Parallelogram A. References a. Textbook: Oronce‚ O.A & Mendoza‚ M. O. E-Math(Geometry). 2007. pages 238-243 B. Instructional Media Visual Aids C. Values
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relations of the right triangles to oblique triangles by defining the two laws. Law of Sines: This law relates the three sides of any triangle to the angles opposite the sides‚ typically labeled a‚ b‚ and c for the sides and A‚ B‚ and C for the angles. Law of Cosines: This law relates one side to the other two sides and its corresponding angle: Relate that either of these relations reduce to simpler forms for the case of right triangles‚ particularly: 1. Law of Sines reduces to c = c = c. 2
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we had to design a system that would test if changing the mass‚ angle of release and length would have any effect on the period of a pendulum. Hypothesis As the length‚ mass and angle of release change‚ the period (T) will change for each one of these factors. Materials Lab stand Protractor Cardboard Fishing line Stopwatch Weights Hook for weights Tape Ruler Weighing scale Logger Pro Variables Independent Angle of release Dependent Period Length of string Mass of bob
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Arc Length The definition of radian measure s = rθ The unit circle An angle of 1 radian Proof of the theorem IT IS CONVENTIONAL to let the letter s symbolize the length of an arc‚ which is called arc length. We say in geometry that an arc "subtends" an angle θ; literally‚ "stretches under." Now the circumference of a circle is an arc length. And the ratio of the circumference to the diameter is the basis of radian measure. That ratio is the definition of π. π | = | C D | . |
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1. Types of Reasoning * Inductive Reasoning – * general conclusion based on a limited collection of specific observations * educated guesses * Primary flaw – we cannot be sure the conclusion is always correct * Counterexamples -- show a conclusion reached through inductive reasoning is not true * Deductive Reasoning – * making a specific conclusion based on a collection of generally accepted assumptions. * There are no counterexamples
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