ACT Prep - campbell.k12.ky.us

ACT Prep - campbell.k12.ky.us

ACT PREP Mathematics Trigonometry DON'T FORGET CALCULATOR! MODE: DEGREES! Mathematics Trigonometry TRIGONOMETRY Overview Trigonometry (7%). Questions in this content area are based on understanding trigonometric relations in right triangles; values and properties

of trigonometric functions; graphing trigonometric functions; modeling using trigonometric functions; use of trigonometric identities; and solving trigonometric equations. Topic Basic Skills Application

Analysis Total Pre-Algebra/Algebra 8 12 4

24 Intermediate Algebra/ Coordinate Geometry 7 7 4 18

Plane Geometry 6 8 0 14 Trigonometry

2 2 0 4 TRIGONOMETRY Trigonometric Functions for special angles

undefined TRIGONOMETRY- THE UNIT CIRCLE ALL POINTS ON THE CIRCLE ARE REPRESENTED BY (COS, SIN Quadrants 1 Degree = 1/360 of a revolution (full circle) Radians o Angle with arc length = r o 1 degree = /180 radians o 1 radian = 180o/

98% of the time, this is given in the problem! TRIGONOMETRY- THE UNIT CIRCLE EXAMPLES 1. What quadrant is the angle 210o? 2. How about radians? A TOUGH ONE: If , what is the value of sin

TRIGONOMETRY Coterminal Angles Angles that common terminal and initial sides Add or subtract multiple of 360o (2 for radians) to find coterminal angles

TRIGONOMETRY Six Trigonometric Ratios TRIGONOMETRY Graph of Sin(x) TRIGONOMETRY Graph of Cos(x) TRIGONOMETRY

Graph of Tan(x) TRIGONOMETRY Trig Identities for any trig value (not just right triangles!) Example: Find tanx if sinx = and cosx = 1/3 TRIGONOMETRY Solving Nonright Triangles (pg. 308) TRIGONOMETRY

Practice Problems Which of the following is the sine of A in the right triangle below? A. 5/13 B. 5/12 C. 12/13 D. 12/5 E. 13/5

Which of the following expressions is the closest approximation to the height h, in feet, of the roof truss shown below? A. 15 tan 20 B. 15 sin 20

C. 30 tan 20 D. 30 sin 20 E. 15/sin 20 In the figure below, points A and B are on opposite banks of a small stream. Point C is on the same bank of the stream as point B and approximately 18 meters from B. The measure of CBA is 45, and the measure of BCA is 60. Which of the following expressions gives the approximate distance, in meters, between point A and point B ?(Note: For PQR, where p, q, and r are the lengths of the sides opposite P, Q, and R, respectively, sinP/p=sinQ/q=sinR/r.)

-A. sin60/18sin45 -B. sin60/18sin75 -C. 18sin45/sin60 -D. 18sin60/sin45 -E. 18sin60/sin75 TRIGONOMETRY Practice Problems Which of the following is equivalent to sin(x) csc(x) wherever sin(x) csc(x) is defined?

F. 1 G. 1 H. tan J. tan K. sin2

Recently Viewed Presentations

  • Digestion and Absorption of Nutrients - KSU Faculty

    Digestion and Absorption of Nutrients - KSU Faculty

    Digestion and Absorption of Nutrients Dr. Sooad Al-Daihan Biochemistry department Overview of Digestion & Absorption Fiber Carbohydrate Mouth and salivary glands The mechanical action of the mouth and teeth crushes and tears fiber in food and mixes it with saliva...
  • Recurring Images in the Great Adapted from this

    Recurring Images in the Great Adapted from this

    Dressed up in white flannels I went over to his lawn. Chapter 4. She was dressed all in white and had a little white roadster and all day long the telephone rang in her house. Chapter 7. Daisy and Jordan...
  • Chromosomal Basis of Inheritance Chromosome Theory  Chromosome number

    Chromosomal Basis of Inheritance Chromosome Theory Chromosome number

    Hermaphrodites C. elegans can be either a male or a "hermaphrodite," producing both sperm and eggs. Although hermaphrodites can mate with males, they can also self-fertilize. Sexual Dimorphism Hermaphrodites are essentially female animals that produce sperm during larval development and...
  • ECG and the Heart's Internal Conduction System

    ECG and the Heart's Internal Conduction System

    An electrocardiogram (ECG or EKG) records the electrical current through the heart. A normal ECG has three distinct waves: P wave - atrial depolarization. QRS complex - ventricular depolarization AND atrial repolarization. T wave - ventricular repolarization . Electrocardiogram. Watch...
  • 2013 Andrs Tapia President www.DiversityBestPractices.com ERGs: Getting What

    2013 Andrs Tapia President www.DiversityBestPractices.com ERGs: Getting What

    Confront the Brutal Facts about your ERG. Identify One Hedgehodge Concept . Get the Right People on the Bus. Identify one thing your organization is saying is important to the business and that your ERG has something to contribute to....
  • Gases,Liquids & Solids

    Gases,Liquids & Solids

    GASES,LIQUIDS & SOLIDS Solids Liquids Gases Fixed volume & fixed dimensions. Resist deformation (changes of shape) ... 760 mm Hg (b) Pa (PASCALS) = N m-2 = kg m-1 s-1 1 Atm. = 101.325 kPa 1 bar = 105 kPa...
  • Francis Drake - Gallipolis City School District

    Francis Drake - Gallipolis City School District

    Francis Drake BY: Courtney Price, Savannah Shock, Jonelle Winters Young Years - Francis Drake was born in February - March 1544 - Born in Tavistock, Devon - Eldest of 12 sons Marriage And Family - 1st wife, Mary Newman, married...
  • Linkages to Learning: Making the Case for Community Schools

    Linkages to Learning: Making the Case for Community Schools

    The Coalition for Community Schools Vision: The Coalition for Community Schools believes that strong communities require strong schools and strong schools require strong communities. We envision a future in which schools are centers of thriving communities where everyone belongs, works...