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[DOC File]Investigating Sine, Cosine and Tangent of Obtuse Angles
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Investigating Sine, Cosine and Tangent of Obtuse Angles: Part 2. Unit 6: Lesson 5. Recall : Angles in . standard position . look like the following... The . initial arm . is always on the positive _____ axis. The . CAST . rule will tell you if the trig ratio is positive or negative. Example 1: Determine if the following should be positive or negative. Justify your answer. a) sin 99˚ b) tan ...
sine and cosine rule practice

[DOC File]Question 1
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Triangle ABC is isosceles. AB = AC = 12 cm Angle ABC is 55º. Calculate the area of the triangle. Give your answer to 3 significant figures. [6]
sine rule and cosine rule

[DOC File]Answer ALL questions - Weebly
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Sine Rule . Cosine Rule . a2 = b2+ c2– 2bc cos A. Area of triangle = ab sin C Answer ALL questions. Write your answers in the spaces provided. You must write down all stages in your working. 1. Here are the ingredients needed to make 10 pancakes. Matthew makes 30 pancakes. (a) Work out how much flour he uses. ..... g (2) Tara makes some pancakes. She uses 750 ml of milk. (b) Work out how ...
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[DOC File]Sine, Cosine & Tangent
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~ Sine Rule ~ Cosine Rule. Linear Relationships. Simultaneous Equations ~ Graphs ~ Algebra ~ Problems. Graphs, Charts & Tables. Simple Statistics. Answers. M2 (Int2) M2 (Int2) Table 2 : y = x ( 1 x 2 5 7 y 1 Table 1 : y = 9 ( x x 0 3 7 y 6 Table 2 : y = x ( 2 x 2 5 7 y 0 Table 1 : y = 8 ( x x 0 3 7 y 5 M2 (Int2) M2 (Int2) First Sight. Blear
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[DOC File]Sine and Cosine Rule Exam Questions - Web Maths
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Sine and Cosine Rule Exam Questions. ABC is a triangle. AC = 19 cm, BC = 17 cm and angle BAC = 60° Calculate the size of angle ABC. (3 marks) _____ PQR is a triangle. PR = 23 cm, PQ = 22 cm and angle QPR = 48° Calculate the length of QR. Give your answer to an appropriate degree of accuracy. (4 marks) _____ A ruined tower is fenced off for safety reasons. To find the height of the tower ...
sine and cosine law practice

Sine and cosine rule questions