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[DOC File]Day 1: Triangles and similarity
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The triangle on the right is an equilateral triangle, in which all three sides and angles are equal. The vertical line is an altitude, meeting the side in a right angle. Using this information, but with no knowledge of what the numerical lengths of the side or altitude are, find the sine and cosine of the angle at B.
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[DOC File]Mathematics Test—No Calculator - SAT Suite of Assessments
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The figure presents a triangle with a 90 degree angle. The other two angles of the triangle have degree measures of . x. and 90 minus . x degrees. The side opposite the . x degree angle is labeled 4, and the side opposite the 90 degree angle is labeled 5. End skippable figure description.
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[DOCX File]Angles Angles round a point, on a straight line, in a ...
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Motivation: We have found a link between the sides of a triangle (Pythagoras) and we know a link between the angles (they add to 180), so now we would like something which links the sides to the angles. Indirect Prerequisites: Scale factors, similar triangles, right-angled triangles.
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[DOC File]Pre-Calculus/Trig 3
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Right Triangle Definitions of Trigonometric Functions. ... Special Angles. ... you can now find the other four trigonometric values for each of these special angles. Calculator Tips: You can check your answers with the calculator, but you need to be able to come up with these values without one.
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[DOC File]Perpendicular Bisectors of a Triangle
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Next we will see what happens if we make our triangle a right triangle. Again grab one of the vertices of the triangle and move it until one of the angles measures 90 degrees (or as close to 90 degrees as you can make it). Question 5: Insert a screen capture from your calculator.
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[DOC File]Trig Tutorial
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Your calculator can give you the answer to any trigonometric ratio you want. Say we want to find how long side ‘a’ is. What we can do is write a trigonometric ratio which has ‘a’ in it. To do this, we’re going to have to pick one of the angles (apart from the right angle) in the triangle. Let’s pick the 40° angle.
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AAT 5 - Troup County
Pre-Calculus - Right Triangle Trig Review Notes. Trigonometry – means “triangle measure” hypotenuse – the longest side of a right triangle; the side opposite (across) from the right angle. legs – the shorter two sides opposite the acute angles. adjacent – means to be next to or touching. opposite – means to be across from. Name ...
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[DOC File]Ch 8 Right Triangles and Trigonometry
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Right Triangle Trig WS + Pg. 510 14-28. Day 10: More Practice, Right Triangle Trigonometry. Activity – Right Triangle Trig. Turnover Cards (for practice/review at home) Day 10: Notes – Angles of Elevation and Depression (8.4) Practice WS – Angles of Elevation and Depression (with a partner) Day 11: Measurement Activity (outside ...
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[DOC File]Master Document Template
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Use the tangent function on a calculator to find the tangent of either of the smaller angles of a right triangle. Use the arctangent function on a calculator to find an angle when given the tangent of the angle. Section 1. ANGLE MEASUREMENT. In applied trigonometry, we measure angles in degrees. When we want to measure more accurately than to ...
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[DOC File]MattsMathLabs
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Sec 3.4 – Right Triangle Trigonometry Right Triangle Trigonometry Angles Name: Find the requested unknown angles of the following triangles using a calculator. a. b. c. 2. Find the approximate unknown angle, (, using INVERSE trigonometric ratios (sin-1, cos-1, or tan-1). a. cos (= 0.823 b. c. 3.
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Right triangle calculator for angles