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[DOC File]7-3 The Sine and Cosine Functions
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Set calculator to degree mode. 4) Cos-1 (.8972) = 26.2o. 5) Sin-1 (.3333) = 19.5o. 6) Tan-1 (3.2) =72.6o. Problems without using calculator 1) Tan-1 (-1) = x means tan x = -1. In the fourth quadrant x = -45o or 315o _ __ 2) Sin-1 ( \/3/2) = x means that Sin x = \/3/2 In the first quadrant this is 60o 3) Tan(Tan-1 …
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[DOC File]Chapter 1: Trigonometric Functions
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Note: sin-1 on a calculator is not 1/sin θ. Inverse functions wait until §2.3 for discussion, so more later. Note: This is true for all the Reciprocal Identities. ... cos θ = -1.7 c) csc θ = 0. Now we will combine this with finding all the f(n) values based on quadrants and signs associated with those quadrants.
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[DOCX File]Positive/Negative Convention (+ and - )
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You can easily perform computations on a calculator, once you get familiar with your calculator’s keys and features. All basic calculators are capable of four functions ( +, - , x , / ) and most calculators will have the ± , sin, cos, tan, sin-1, cos-1, tan-1, x^2, 10^x, log, and many other buttons and. features.
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[DOCX File]Pre-Calculus
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Simplify: tan. θ sin θ + cos. θ Find the exact values of the following (NO CALCULATOR). 14. cos(sin-1 (-2 7 ) = _____15. sin(tan-1 3 4 ) = _____16. cos(sin-1 2 x ) = _____Prove the following identities (NO CALCULATOR): 17. sin x + cos x cot x = csc x18. sec x – cos x = sinx tan x. 19. (1 + sin . θ )2 = 2(1 + sin θ ) – cos2 θ . 20 ...
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Find an exact solution to the equation without a calculator. 35. cos-1(cos x) = 1 36. tan-1 x = -1. 37. From a point 100 ft from its base, the angle of elevation of the top of the Arch of Septimus Severus, in Rome, Italy is 3413'12". How tall is this monument? ( with calc)
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[DOCX File]Student Information: - Virginia Department of Education
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Note 1: If the calculator with accessibility features and/or additional mathematical capabilities needed by the student and/or the calculator the student ... Tangent (tan), and Inverses (sin-1, cos-1, tan-1) Hyperbolic Functions (hyp) Convert angles from degrees to radians to grads (DRG) Degrees/Minutes/Seconds (DMS) Decimal (DD) Conversions.
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[DOC File]NASS Scientific Calculator Programs:
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In these examples calculator buttons are in boxes like 2ND COS-1 ,numbers are just entered, and answers displayed are shown in brackets like (60.9) Start by putting the . Latitude. and . Declination. into the . K Memories. For example: Chicago on 18 August: Latitude. 41.88 2ND X->K1, Solar . Declination. 12.78 2ND X ->K2
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[DOC File]6.2 TRIG FUNCTIONS -- UNIT CIRCLE
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sec t = 1 / cos t csc t = 1 / sin t cot t = 1 / tan t. Periodic Functions: A function if said to be periodic if . ... DO NOT use a calculator! Example: Find 4 angles coterminal to . a) (/3 b) 3π/5. Example: Give the coordinates of the point on the unit circle that corresponds to .
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[DOC File]PreCalc D - Trigonometry Worksheet
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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: Home
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Cos 1 calculator