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Algebra / Geometry II: Unit 8- Right TrianglesSUCCESS CRITERIA:Find a side or angle of a right triangle using trigonometry.INSTRUCTOR: Craig ShermanHidden Lake High SchoolWestminster Public SchoolsEMPOWER TARGETSCALE THEME MA.10.G.08.04Trigonometric RatiosPROFICIENCY SCALE:SCOREREQUIREMENTS4.0 In addition to exhibiting Score 3.0 performance, in-depth inferences and applications that go BEYOND what was taught in class. Score 4.0 does not equate to more work but rather a higher level of performance.3.5 In addition to Score 3.0 performance, in-depth inferences and applications with partial success.3.0The learner exhibits no major errors or omissions regarding any of the information and processes (simple or complex) that were explicitly taught.o Find a side or angle of a right triangle using trigonometry2.0 Can do one or more of the following skills / concepts: There are no major errors or omissions regarding the simpler details and processes as the learner…o Find a side or angle of a right triangle using trigonometry, OR Know and use the vocabulary Identify the Basic ElementsWith help, a partial understanding of some of the simpler details and processTrigonometric RatiosWORD or CONCEPT DEFINITION or NOTESEXAMPLE or GRAPHIC REPRESENTATIONtrigonometry????reference angle????side opposite????side adjacent????sine????cosine????tangent????INSTRUCTION 1: KHAN ACADEMY INTRODUCTIONINSTRUCTION 2: KHAN BASIC TRIG36311711384500 Class workRefer to the triangle below to answer questions 65-66.1. side opposite to ∠W is _______side adjacent to ∠W is _______ side opposite to∠B is _______side adjacent to ∠B is _______hypotenuse is _______.2. sinW = ______cosW = ______tanW = _______. sinB = ______cosB = ______tanB = _______.Evaluate. Round the nearest ten-thousandth.3. sin90o4. cos52o5. tan25o6. tan88o7. If the sin30 = .5, the cos60= ______________. Why? 8. If the cos25= .9063, the sin65=_____________. Why? 376009412467500HomeworkRefer to the triangle below to answer questions 75-76.9. side opposite to ∠W is _______side adjacent to ∠W is _______ side opposite to ∠B is _______side adjacent to ∠B is _______hypotenuse is _______.10. sinW = ______cosW = ______tanW = _______. sinB = ______cosB = ______tanB = _______.Evaluate. Round the nearest ten-thousandth.11. sin45o12. tan 77o13. cos69o14. tan33o14. If the sin60 = .8660, the cos30= ______________. Why? 16. If the cos65= .4226, the sin25=_____________. Why? Right Triangles & Trigonometry Unit ReviewMultiple Choice- Choose the correct answer for each question. No partial credit will be given.1. Find the value of x. Write the answer in simplest radical form.a. 1522b. 7.5c. 103d. 9132. In the triangle below, what is the side opposite to ∠J.a. JRb. LJc. JLd. LR3. What is tan K?a. 2b. 12c. 57d. 754. Find the m∠V. Round the answer to the nearest hundredth.a. 33.69ob. 56.31oc. 41.81od. 48.19o5. Find the length of DT. Round the answer to the nearest hundredth.a. 8.31b. 6.64c. 6.26d. 3.996. .In the figure, sin 47 = 15/x, which of the following equations is also true?a. sin 43 = x/15b. cos 43 = 15/xc. cos 47 = 15/xd. tan 47 = x/157. Find the m∠D. Round the answer to the nearest hundredth.a. 50.71ob. 39.29oc. 35.10od. 54.90o8. In the figure, sin 47 = 15/x, which of the following equations is also true?a. sin 43 = x/15b. cos 43 = 15/xc. cos 47 = 15/xd. tan 47 = x/15 ................
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