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[DOC File]Trigonometry - Worcester Polytechnic Institute
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Let’s find h first. By definition, cos(15°) = 12/h so h = 12/cos(15). To finish, we need the cosine of 15 degrees which requires a calculator. This tells us cos(15°) is about .966 so. h = 12/.966 = 12.42. We now have two out of three sides. We can get y either with the Pythagorean Theorem or …
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[DOC File]Using your Calculator - Sine, Cosine, and Tangent Ratios
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Using your Calculator - Sine, Cosine, and Tangent Ratios. Part A – Learning how to use your calculator for trigonometry. Locate the sin, cos and tan buttons on your calculator. Make sure that your calculator is on DEG (not GRAD or RAD). Usually it will say so in small print in the display. If it is not in DEG, you need to get it into DEG mode.
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[DOC File]Magic Calculator.4 - University of Tennessee
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The Magic Calculator and The Sine Addition Formula. Students who have grown up with computers and calculators may take their capabilities for granted, but I find something magical about entering arbitrary values and computing transcendental functions such as the sine and cosine with the punch of a button.
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[DOCX File]Scientific Calculator for MATLAB
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The calculator includes many functions common to other scientific calculators such as sine, cosine, and tangent functions. The calculator layout was straightforward, while the programming took a bit more thought. Results. The calculator layout took very little time to set up. The GUI (Graphic User Interface) was a simple drag-and-drop method.
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[DOC File]Sine, Cosine, and Tangent Ratios
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Show cosine computation. The . cosine. of (A (or “cos A”) is the ratio of the adjacent leg to the hypotenuse: cos A = . What is cos 75°? Turn off . Show cosine computation. Set . m(A. to each of the following angles, and use the side lengths and a calculator to find …
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[DOCX File]Student Information: - Virginia Department of Education
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the calculator’s accessibility features and/or additional mathematical capabilities needed by the student, and. ... Sine (sin), Cosine (cos), Tangent (tan), and Inverses (sin-1, cos-1, tan-1) Hyperbolic Functions (hyp) Convert angles from degrees to radians to grads (DRG)
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[DOCX File]Finding Values on the Calculator - White Plains Public Schools
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The sine, cosine, and tangent of any angle is a known value that can be found using any scientific calculator. ExamplesUsing your calculator, find the value of each to the nearest ten-thousandth: sin 38° _____ cos 38° _____ tan 38° _____ ExerciseUsing your calculator, find the value of each to the nearest ten-thousandth: ...
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[DOC File]7-3 The Sine and Cosine Functions
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The Cosine function is positive in quadrants I and IV, while negative in quadrants II and III. Examples. Sin 135o = Sin ( 180o - 135o) = Sin 45o. ... Find each of the values for the trig functions using your Ti-82 graphing calculator. Round to 4 significant digits.
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[DOC File]TRIGONOMETRY
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Three basic functions are sine, cosine and tangent. They are written as sin θ, cos θ, and tan θ. Right triangle trigonometry - SOHCAHTOA. A. Find cos θ B. Find sin θ. C. Find tan θ D. Find sin θ Triangles in the Unit Circle. On the Unit Circle: I. Where functions are positive. II . …
trigonometry calculator

[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 cosine of each angle. Use the Gizmo to check. cos 15° = cos 30° = cos 45° = cos 60° = Compare cos 35° and sin 55°. In general, how does cos(θ) relate to sin(90 – θ)? (Activity B continued on next page) ...
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Cosine calculator