Tan as sin and cos
[DOC File]Trigonometry - WPI
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For starters, we will focus only on sine and cosine and then fall back on the fact that tan(θ) = sin(θ)/ cos(θ). Our goal is to fill in the following table based on what we know: θ sin(θ) cos(θ) 0° 30° 45° 60° 90° 45° is a good place to begin. The triangle may look like
[DOC File]Trig Ratios
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SIN. COS. TAN . 23. Which trig ratio is represented? SIN. COS. TAN . 24. Which trig ratio is represented? SIN. COS. TAN . GSE Geometry Unit 3 – Similarity & Right Triangles 3.6 – Practice. Title: Trig Ratios Author: Emily Freeman Last modified by: Kathleen Merrill Created Date: 6/3/2016 12:24:00 AM
[DOC File]TRIGONOMETRY
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WELCOME TO TRIGONOMETRY, ENJOY YOUR STAY (1) Assignment # 1 ( Complete the circle diagram (2) Assignment # 2 ( Sine & Cosine functions chart (3) Assignment # …
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tan θ sin θ + cos θ= sec θ . 2 tan x 1+ tan 2 x = sin 2x . sin θ 1+cosθ + cosθ sinθ =cscθ . secθ+tanθ= cosθ 1-sinθ . In oblique triangle ABC, A = 34° , B= 68° , and a=4.8. Find b to the nearest tenth. Find all values of x . such that sin 2x=sinx and 0≤x≤2π .
[DOC File]Trigonometry
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Sep 24, 2009 · cos(A+B) = cosA cos B – sinA sinB cos(A-B) = cosA cos B + sinA sinB. tan(A+B) = tan(A-B) = 13. Double-Angle Formulas: sin 2( = 2 sin( cos(cos 2( = cos2( - sin2(or = 1- 2sin2(or = 2cos2( - 1. tan 2( = 14. Half-Angle Formulas: or = 15. Inverse Functions: “The fat man in his . cos. y . sec. ure . cot ” y= Sin-1(x) ( Arcsin(x) where
[DOC File]PreCalc D - Trigonometry Worksheet
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25) sin < 0 and cos < 0 26) sec > 0 and cot < 0. 27) sin > 0 and cos < 0 28) csc < 0 and tan > 0 Evaluate the following trigonometric functions: 29) If sin = 1/2, then cos = ? 30) If sin = 1/3, then tan = ? 31) If cos = 4/5, then cot = ? 32) If sec = 13/5, then csc = ? 33) If cot = 15/8, then sec = ? 34) tan = 1/2, sin = ?
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