Using the sine rule
[DOC File]Mark Scheme - June 2004 - Edexcel
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Consider the rotating magnetic field as equivalent to physical rotation of two stator poles N. 1 and S 1. Consider an instant when two poles are at such a position where stator magnetic axis is vertical, along A-B as shown in the Fig. 1(a).
[DOC File]CHAPTER:
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Solve for the angle using sine rule, cosine rule, trigonometric ratios, or area of triangles. Angle between a line and a plane. Consider a line L passing through B and meeting a plane ( at A as shown below. L. B. A ( C ( If C is the foot of the perpendicular to the plane from point B, then AC is …
Math 132 Worksheet on the Law of Sines and the Law of …
Title: Law of Sines and Cosines Word Problems Author: WASD Last modified by: Albury, Shari Created Date: 5/1/2014 4:41:00 PM Company: WASD Other titles
[DOCX File]MA-T1 Trigonometry and measure of angles Y11
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Question Number Scheme Marks Alt (e) Using (d) and sine rule 2cosQ .cosP . M1A1 or equivalent A1 (19 marks) STYLE, CLARITY and PRESENTATION MARKS (a) S marks. For a novel or neat solution to any question, apply once per question in up to 3 questions. S2 if solution is fully correct in principle, elegance and accuracy.
[DOC File]Sine and Cosine Rule Exam Questions - Web Maths
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Step 2: Using the CAST rule, determine the quadrants it could be located it. Step 3: Use one of the following rules to find the answer 180˚ – θR. 180˚ + θR. 360˚ – θR . Step 4: Check your answer. Example 4: Determine the measure of angle θ, if tan θ = -2.45. Step …
[DOC File]Investigating Sine, Cosine and Tangent of Obtuse Angles
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a) using a scale drawing of the triangle. b) verifying a known side or angle using the two possible values. c) using the rule that the largest angle is opposite the longest side and the smallest angle is opposite the shortest side. Since there is sometimes an ambiguous case when using the sine rule, always try to use cosine rule whenever possible.
How to Use the Sine Rule: 11 Steps (with Pictures) - wikiHow
To get the other angle, you will have to figure it out by using the. first angle as a reference. a. Find two different angles that both have a sine of (1/3). b. Find two different angles that both have a cosine of 0.7. 3. Find the area of each triangle below: 4. For each triangle below, fill in all of the angles: 5. Use the Law of Sines to find ...
[DOC File]CHAPTER_: 3-D TRIGONOMETRY
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The sine function is positive in the first and second quadrant, but calculators are designed to display the first angle as a result. To determine if the second angle is a possible solution, add 390 and 106.90. The sum is less than 1800, so both results are possible and acceptable solutions. If the sum of the two angles is greater than 1800 ...
[DOC File]Law of Sines and Cosines Word Problems
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Sine and Cosine Rule Exam Questions. ABC is a triangle. AC = 19 cm, BC = 17 cm and angle BAC = 60° ...
[DOC File]The Ambiguous Case
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Students should revisit the solution of a problem involving the ambiguous case of the sine rule, using a pre-made Geogebra Interactive , the unit circle and angles of any magnitude to appreciate that this is an example of the use of the related angle x , where sin x = sin ( π - x ) and 0°≤ x ≤90° or sin x = sin (180°- …
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