Session 17 Warm up: Find the missing measures.

Session 17 Warm  up: Find the missing measures.

Session 17 Warm up: Find the missing measures. Write all answers in radical form. 45 30 x 7 10

z 45 w 60 y Math Strategies Ms. Olifer The Trigonometric Functions we will be looking at SINE

COSINE TANGENT The Trigonometric Functions SINE COSINE TANGENT SINE Prounounce d sign

COSINE Prounounce d co-sign TANGENT Prounounce d tangent Greek Letter Prounounce d theta Represents an unknown angle

Opp Sin Hyp hypotenuse Adj Cos Hyp Opp Tan Adj adjacent

opposite opposite We need a way to remember all of these ratios Old Some Old Hippie Came A

Hoppin Through Our Apartmen SOHCAHTOA Old Sin Opp Hyp Cos Adj Hyp

Tan Opp Adj Finding sin, cos, and tan opp Sin hyp Adj Cos Hyp SOHCAHTOA

8 10 4 5 10 8 3 6 10 5

Opp 8 4 Tan Adj 6 3 6 Find the sine, the cosine, and the tangent of angle A. Give a fraction and decimal answer opp (round 9 to 4 sin A

places). .8333 10.8 9 A 6 hypo 10.8

adj 6 cos A hypo 10.8 opp tan A adj 9 6 .5555

1.5 Find the values of the three trigonometric functions of . ? 5 4 Pythagorean Theorem: (3) + (4) = c 5=c

3 opp 4 adj 3 opp 4 sin cos tan hyp 5 hyp 5 adj 3 Find the sine, the cosine, and the tangent of angle A B

24.5 8.2 A 23.1 Give a fraction and decimal answer (round to 4 decimal places). opp 8.2 sin A .3347

24 . 5 hypo adj 23.1 cos A hypo 24.5 .9429 opp tan A adj 8.2

23.1 .3550 Finding a side Ex. A surveyor is standing 50 feet from the base of a large tree. The surveyor measures the angle of elevation to the top of the tree as 71.5. How tall is the tree? opp tan 71.5 adj

? 71.5 50 y tan 71.5 50 y = 50 (tan 71.5) y = 50 (2.98868) y 149.4 ft Ex. 5 A person is 200 yards from a river. Rather than walk

directly to the river, the person walks along a straight path to the rivers edge at a 60 angle. How far must the person walk to reach the rivers edge? cos 60 x (cos 60) = 200 200 60 x x X = 400 yards

Recently Viewed Presentations

  • Project of colonization, modernity and Modernization school

    Project of colonization, modernity and Modernization school

    Project of colonization, modernity and Modernization school. ... Neoclassical models neglect structural rigidities common to developing countries. ... vision of development based in Keynesian interpretation of the unique albeit historically important experience of core industrial capitalism
  • Conventional Practices in Section view drawing

    Conventional Practices in Section view drawing

    in Section View TERMINOLOGY Aligned Section Conventional Break TERMINOLOGY Aligned Section Conventional Break TOPICS Section view representation of rib, web, spoke and lug. Aligned section Conventional break Section view representation of rib, web, spoke and lug Rib and Web are...
  • BotNets a.k.a Zombie Computing

    BotNets a.k.a Zombie Computing

    How the Botnets work. Of course, in real life, a botnet's organization can be far more complicated. Some botnets will use multiple C&C servers, using the redundancy as a type of protection; others will have only one C&C server, but...
  • Regular Structures

    Regular Structures

    Reversible Logic Synthesis with Garbage Bits Lecture 6 Marek Perkowski Background The 3 * 3 Toffoli gate is described by these equations: P = A, Q = B, R = AB C, Toffoli gate is an example of two-through gates,...
  • Mebendazole - Southern Methodist University

    Mebendazole - Southern Methodist University

    Anti-parasitic Agents Kathryn Larson Chem ____ 3/30/06 Modes of Transmission Four main mechanisms for parasitic transfer: Ingestion of eggs from the fecal material of an infected individual Ascaris lumbricoides The larva of the parasite can burrow into the skin of...
  • OSU Fiscal and Administrative Officers Meeting

    OSU Fiscal and Administrative Officers Meeting

    Port HRS to Banner HR - Completed, Clean-up in progress. HRS offline with close of FY 2016 business, June 23 ... Self-Service Banner (SSB) my.okstate.edu - single sign-on for all Banner, and other, applications using O-Key credentials ... OSU Fiscal...
  • Duke Clinical Research Institute

    Duke Clinical Research Institute

    CABG Composite Scores in HQID - Exploring the Implications of Equal Weighting HQID performance measures are publicly reported for the top 50% of hospitals Used these publicly reported data to study the weighting of process vs. outcomes Publicly Reported HQID...
  • 2011-2012 Apatite to Zircon Computer Science Clinic Automated

    2011-2012 Apatite to Zircon Computer Science Clinic Automated

    One tip of a fission track. An etch . pit, 1.5 . microns . long. The goal of this project is to build an application for finding and characterizing fission tracks and fission track tips in apatite grains as autonomously...