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[DOCX File]Finding Values on the Calculator - White Plains …
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A trigonometric ratio is a ratio of two sides of a right triangle. We can use trigonometric ratios to relate the angles of a triangle to the lengths of the triangle’s sides. In a right triangle, three relationships exist which relate the angles of a triangle to the measures of its sides. The word . opposite
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[DOC File]Worksheet 9A- part 2
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Right Triangle Review/Prep for Trig Unit. The Pythagorean Theorem states: In a right triangle the sum of the _____ of the legs is equal to the square of the _____. c. That is to say, a2 + b2 = c2 a b. In questions 1-3, use the . Pythagorean theorem. to solve for the indicated variables. 1. 2. 3.
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[DOC File]Name__________________________
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Sin, Cos, and Tan are the buttons on your calculator that stand for Sine, Cosine, and Tangent. Each of the functions represents a fraction that you can write using the sides of the triangle. Before you can write the fraction, you need to figure out which sides of the triangle you need to use.
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[DOC File]Math 3305 - UH
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triangle: ; sin 30( = cos 60( = 0.5; cos 30( = sin 60( = tan 30( = ; tan 60( = Arbitrary right triangle. with arcsin work: sin B = cos C =; cos B = sin C = ; tan B = tan C is reciprocal tan B. An arc* problem or two: m(A’ = arcsin(3.46/3.64) 72(m(A’’ = 180 – 90 – 72 = 18(1.13; tanA’’ ( .327; 36.87( and 53.13(
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[DOC File]Date
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1. sin K 2. cos H. 3. cos K 4. tan H. Use a special right triangle to write each trigonometric ratio as a fraction. 5. cos 45 6. tan 45 7. sin 60 8. tan 30 Trigonometric Ratios . continued. You can use a calculator to find the value of trigonometric ratios. cos 38 0.7880107536 or about 0.79
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[DOC File]All the trig I need for AP Calculus AB
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S - sin & csc functions positive in Quad II. T – tan & cot functions positive in Quad III. C – cos & sec function positive in Quad IV. 30° = 60° 45° 45° sin cos tan. csc sec cot. sin cos tan. csc sec cot (0,1) (0, -1) Reference Angles ( ) ---- Positive, acute angles
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AAT 5 - Troup County
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 chart. Do you notice a pattern? Example: Evaluate the following expressions w/o a calculator. a. cos 30° sec 30° b. (sin 60°)2 + (cos 60°)2. c. sin 45° cos 45° c. C. Pythagorean Theorem. a2 + b2 = c2. B. a. b. hypotenuseuse. legs
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[DOC File]Sine, Cosine, and Tangent Ratios
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to each of the following angles, and use the side lengths and a calculator to find the sine of each angle. Use the Gizmo to check. sin 15° = sin 45° = sin 60° = sin 75° = In ΔDEF, (F is a right angle. Suppose m(D = 12° and EF = 1.3. Follow the steps below to find the length of the hypotenuse, .
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[DOC File]Trig Worksheet Name
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Name _____ Period _____ SINfull worksheet! Put your calculator in degree mode! Use the rules of significant figures. Determine: 1. cos 30.0 _____2.
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Tan sin cos right triangle calculator