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Geometry Mr. Ed Name: _________________________ Date: ______ Period: ______ CHAPTER 7: TRIGONOMETRY Chapter 7 Introduction TODAYβS GOAL: I will be able toβ¦ ο· UNDERSTAND the sine, cosine, and tangent ratios of trigonometry. NERD WORDS 1.) TRIGONOMETRY: The mathematical subject that comes from the Greek words Meaning ________ _______________. 2.) HYPOTENUSE: The __________ of a right triangle that is opposite of a __________. 3.) OPPOSITE SIDE: The _____ of a right triangle that is ____________ of the angle in question. 4.) ADJACENT SIDE: The _____ of a right triangle that is ____________ of the angle in question . CHIEF SOH CAH TOA The Sine of angle π sin(π) = The Cosine of angle π cos(π) = The Tangent of angle π tan(π) = PRACTICE Μ Μ Μ Μ is the ____________. 1.) π΅π΄ 2.) Which segment is opposite of β π΄? 3.) Which segment is opposite of β π΅? 4.) Which segment is adjacent to β π΄? 5.) Which segment is adjacent to β π΅? LET a=6 cm, b=8 cm, and c=10 cm. 6.) What is sin π΄? 7.) What is cos π΄? 8.) What is tan π΄? 9.) What is sin π΅? 10.) What is cos π΅? 11.) What is tan π΅? 12.) What is the perimeter of βπ΄π΅πΆ? 13.) What is the area of βπ΄π΅πΆ?