Secant in calculator
Activity overview:
First, they need to go back to page 1.3 and change the x-coordinate of point Q to 1.1. The slope of the secant line is the average rate of change. Then, students are to move to page 1.6 and need to use the table of values of . f1 (x) and the Calculator application. They should see that they get the same answer.
[DOC File]Trigonometry FINAL EXAM Review, Spring 2010
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Evaluating Secant, Cosecant, and Cotangent on a Calculator. Calculators do not have buttons for these functions. You have to use the reciprocal identities to evaluate these trig functions on a calculator. The Reciprocal Identities (Section 1.4)
[DOC File]The University of Toledo - Department of Mathematics and ...
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NOTE: Since your calculator does not have a secant key, you will first need to find the cosine of the angle . Do not round this number, which is . Now, find the multiplicative inverse (reciprocal) of this number using your reciprocal key, which is or , in order to obtain the secant of the angle since secant is the reciprocal of cosine.
[DOC File]Equations and Graphs
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First, we can interpret the process graphically as finding secant lines from to other points on the graph. From the diagram we see a sequence of these secant lines and can observe how they begin to approximate the tangent line to the graph at The diagram shows a pair of secant …
[DOC File]Trigonometry Test #01 Review, Spring 2010
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Evaluating Secant, Cosecant, and Cotangent on a Calculator. Calculators do not have buttons for these functions. You have to use the reciprocal identities to evaluate these trig functions on a calculator. The Reciprocal Identities (Section 1.4)
[DOC File]Constructing Tangents to Functions and Calculating the ...
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In the calculator create the measure of (x - ∂x/2) and (x + ∂x/2). Using the GSP calculator and each of these measures and the function . f(x), create the values . f(x - ∂x/2) and . f(x + ∂x/2) respectively. The following steps will plot these values of f(x) as points on the graph and the secant between them. Select the measures of (x ...
[DOC File]Intro – average speed is the average rate of change of ...
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Now you will compute secant slopes and tangent slopes of the parabola numerically with the TI-89 calculator. The slope of the secant line through two points on the parabola whose x-coordinates differ by h is: . (This is the difference quotient) Compute secant slopes …
[DOC File]Section 1
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(Euclid) Given a secant line of a curve, as Q → P , the secant line approaches the tangent line at P, i.e., the tangent line is the limiting position. If P has coordinates (a, f(a)) and Q has coordinates (a + h, f(a+h)), then. and Example 1: Find the slope of the tangent line to the curve f(x) = 3 - 2x – 2x2 where x = 1.
[DOC File]First exam practice sheet
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Calculator (no TI-89 or 92) Sample problems. The graph of is drawn below. Sketch the graph of If , find . Write a formula for a linear function with slope 1.4, passing through the point . Write a formula for the linear function whose graph is shown: The graph of f below can be obtained by transformations of the graph of . Find a formula for .
[DOC File]M CC 160 Calculus for Physical Scientists I
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In this investigation, we will use the calculator to show how close these secant lines come to the tangent line at a particular point on the graph of f(x) = x3 – 2x + 1. II.1. Find the exact value (as a fraction or as a decimal with no rounding) of the slope of secant line through the points (3, …
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