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AAT 5 - troup.k12.ga.us
-90 ° and 30 °-60 °-90 ° Right Triangles. Recall these special right triangles. Fill in the following chart using trig ratios. These are common angles, so you should have these values memorized (concentrate on sine, cosine, and tangent). θ sin θ cos θ tan θ csc θ sec θ cot θ 30° 45° 60° Look at the values that are the same in this ...

Triangles and Cabri Jr
Hypotenuse Longer Leg Shorter Leg Triangle 1 Triangle 2 Triangle 3 Triangle 4 Triangle 5 Triangle 6 Triangle 7 Triangle 8 Triangle 9 Next, you are going to make special triangles so that the number of degrees in the angles are 30(, 60(, and 90(.

[DOC File]1
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The trick to solving the 30-60-90 triangle is to draw a second 30-60-90 triangle next to it, as shown below. Explain how you know that the big triangle is equilateral. Then try find the values of x and y. Answers . All of the angles in the big triangle are , so it is equilateral. Each side of the big triangle has a length of 2, so .

[DOC File]The Pythagorean Theorem and Special Right Triangles
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Use triangle angle sum relationships to solve problems. Grade 8 ... Pass out Extension Sheets on 30°, 60°, right triangles and 45°, 45°, right triangles. ... The distance from each consecutive base is 90 feet and it can be necessary to determine how far the catcher will have to throw to get the ball from home plate to 2nd plate or the ...

[DOC File]Math Practice Test 2
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A. 30° B. 60° C. 120° D. There is not enough information given to determine the measure of A. 32. The Pep Club is making pennants, as shown below. The angles at the top and the bottom of the pennant are equal in measure, while the third angle is smaller. Classify the triangle according to the lengths of its sides. A. acute triangle

[DOC File]All the trig I need for AP Calculus AB
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[By the way, you’ll need to be able to do this WITHOUT a calculator!] Note: AP Calculus AB never uses degrees – only radians. 0° = 0 90° = 30° = 180° = Opposite Hypotenuse. 45° = 270° = 60° = 360° = 2. Adjacent

[DOC File]Answer ALL questions - Weebly
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Under 21 72 21–40 90 41–60 123 Over 60 314 Mrs Parrish carries out a survey of these people. She uses a sample size of 50 people stratified by age group. (b) Work out the number of people over 60 years of age in the sample..... (2) (Total 3 marks)

[DOCX File]MA-T1 Trigonometry and measure of angles Y11
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The ratios for . 0°, 30°, 45°, 60°, 90° and 0, π 6 , π 4 , π 3 , π 2 radians should be known as exact values. The right angled isosceles and equilateral triangles below should be developed with students and used as the exact value triangles.

[DOC File]1
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Draw a 30-60-90 triangle and determine the values of , , and . 2. Explain why the definition provided above is insufficient for finding the value . If we think of cosine as adjacent over hypotenuse, it will be impossible for us to find because there is no right triangle that has an angle measuring .

[DOC File]Discovering Special Triangles Learning Task
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Each 30°- 60°- 90° right triangle formed by drawing altitude Hypotenuse Length Shorter Leg Length Longer Leg Length 2 1 4 6 What is true about the lengths of the sides of any 30°-60°-90° right triangle? How do you know? Use your answer for Item 5 as you complete the table below. Do not use a calculator; leave answers exact.

[DOC File]ALGEBRA 2 X
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You have learned about special right triangles (45 – 45 – 90 & 30 – 60 – 90) before. Today we are going to evaluate trig functions for those special angles… If you know the ratios of the special right triangles, and you know the definitions of the trig functions, you can evaluate these angles easily.

[DOC File]www.sudermanmath.com
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45-45-90 Triangle 30-60-90 Triangle Ex. Determine the exact value of . A quick trig review (with your . calculator): Round to 4 decimal places. Ex. Ex. Ex. Solve for , where , . Ex. Given , where , determine the measure of , to the nearest tenth of a degree. Homework: p. 96 #1-6, 8, 9 ...

Texas Instruments Calculators and Education Technology ...
The sine of 30° is _____. 9. The cosine of 60° is _____. 10. The sine of 60° is _____. Check your results to Exercises 7–8 using your graphing calculator as shown to the right. Note the ° symbol can be found by pressing ( + ( and then press (. 11. Using your knowledge of 45-45-90 right triangles, identify the coordinates of point R. _____

[DOC File]TRIGONOMETRY - Pingry School
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30 – 60 – 90 RIGHT TRIANGLES 45 – 45 - 90. Therefore, for the Unit Circle, hypotenuse is always 1. Algebra 3 Assignment # 1. Trigonometric Functions. Let θ “theta” represent the measure of the reference angle. Three basic functions are sine, cosine and tangent. They are written as sin θ, cos θ, and tan θ

30 60 90 triangle calculator