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[DOC File]PreCalc D - Trigonometry Worksheet
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Express the results in radians (0 ≤ ≤ 2π). Do not use a calculator. 39) cos = 40) cos = 41) sec = 2 42) sec = -2 Solve using your calculator. 43) 2 sin x = x - 3 44) 3 cos x = 4x - 1 Title: PreCalc D - Trigonometry Worksheet Author: Janet Johnson Last modified by: Michelle Owen Created Date: 6/25/2015 3:10:00 PM Company:
cos and sec calculator

[DOC File]University of Georgia
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Look at 9d: f(x)=sin(2x) f(x)=cos(2x) The period of the sine and cosine function is defined as , where k>0. When x was multiplied by 2, the function repeated itself twice in the usual period of 2π. What is the period of the functions in 9d? Using your calculator look at the graph of the functions f(x)=sin x and f(x)=sin(4x).
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[DOC File]7-3 The Sine and Cosine Functions
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Thus, Sin 180o = 0/1 = 0 and Cos 180o = -1/1 = -1 3) Find the Sin 540o and Cos 540o Solution: Since the angle 540o has the same terminal side as 180o, the Sine and Cosine functions have the same value as problem # 2. This leads to the conclusion that the trig functions repeat their value every 360o or 2 Conclusion: Sin ( + 360o) = Sin Cos ...
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[DOC File]Sine, Cosine, and Tangent Ratios
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What happens to cos A? Set . m(A. to 90°. What is cos 90°? Turn off . Show cosine computation. Set . m(A. 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°.
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[DOCX File]Finding Values on the Calculator - White Plains Middle School
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sin) of Angle x = Side Opposite to Angle x Hypotenuse cosine (cos ... sin B = _____ cos B = _____ tan B = _____ The HYPOTENUSE will always be across from the right angle. ... 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 ...
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[DOC File]University of Georgia
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One possible answer: sin x = cos (x - ). There are multiple solutions to this, including changing the phase shift on the sin function to match the cosine function. Comment: Changing the type of line used by the graphing calculator to represent the two functions can help students identify that the functions truly lie on top of each other when ...
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[DOC File]Chapter 1: Trigonometric Functions
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Cot & Tan based on sin & cos. Sec & CSc based on 1/sin & 1/cos Trig F(n) Review & Extend §1.3. Pythagorean Identities (Needed in Calculus) Developed on p. 34. Sin2 θ + cos2 θ = 1 or cos2 θ = 1 – sin2 θ. Tan2 θ + 1 = sec2 θ. 1 + cot2 θ = csc2 θ. Quotient Identities (Review – Also needed in Calculus) Sin θ/cos θ = tan θ not for 90 ...
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Math 132 Worksheet on the Law of Sines and the Law of …
To do problem 1(a) using your calculator: Set your calculator to degree mode. Look for either "asin" or "sin-¹" on your calculator. Press this key. (You may have to use the "2nd" key to access it.) Then type “1/2” and press Enter. The calculator gives you only the angle that is in the first quadrant.
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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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Sin and cos calculator