CK-12 Geometry Concepts
http://www.ck12.org Chapter 8. Right Triangle Trigonometry 8.5 30-60-90 Right Triangles Here you’ll learn that the sides of a 30 ...
8.5. 30-60-90 Right Triangles http://www.ck12.org Investigation: Properties of a 30-60-90 Triangle Tools Needed: Pencil, paper, ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry Example C Find the measure ofx. Think of this trapezoid as a rectangl ...
8.5. 30-60-90 Right Triangles http://www.ck12.org The, the longer leg would bey= ( 15 √ 6 2 ) · √ 3 =^15 √ 18 2 = 45 √ 2 2 We a ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry 8.6 Sine, Cosine, Tangent Here you’ll learn what the three trigonomet ...
8.6. Sine, Cosine, Tangent http://www.ck12.org Tangent Ratio:For an acute anglex, in a right triangle, the tanxis equal to the r ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry sin 30◦= 126 =^12 ,cos 30◦=^6 √ 3 12 = √ 3 2 , and tan 30 ◦=^6 6 √ 3 ...
8.6. Sine, Cosine, Tangent http://www.ck12.org cos =sinFand sin =cosF. tanDand tanFare _____ of each other. Find the sine, cos ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry 8.7 Trigonometric Ratios with a Calculator Here you’ll learn how to s ...
8.7. Trigonometric Ratios with a Calculator http://www.ck12.org a) sin 78◦= 0. 97815 b) cos 60◦= 0. 5 c) tan 15◦= 0. 26795 Examp ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry cos 20◦= a 10 sin 70◦= a 10 10 ·cos 20◦=a 10 ·sin 70◦=a a≈ 9. 4 a≈ 9. ...
8.7. Trigonometric Ratios with a Calculator http://www.ck12.org cos 45◦ tan 88◦ sin 43◦ tan 12◦ cos 79◦ sin 82◦ Find the lengt ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry 8.8 Trigonometry Word Problems Here you’ll learn how to use the trigo ...
8.8. Trigonometry Word Problems http://www.ck12.org Example A An inquisitive math student is standing 25 feet from the base of t ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry Concept Problem Revisited To find the horizontal length and the actua ...
8.8. Trigonometry Word Problems http://www.ck12.org cos 55◦= x 20 20 ·cos 55◦=x x≈ 11. 5 f t . Practice Kristin is swimming in ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry 8.9 Inverse Trigonometric Ratios Here you’ll learn how to use inverse ...
8.9. Inverse Trigonometric Ratios http://www.ck12.org tan−^1 ( b a ) =m^6 B tan−^1 (a b ) =m^6 A sin−^1 ( b c ) =m^6 B sin−^1 (a ...
http://www.ck12.org Chapter 8. Right Triangle Trigonometry 242 +AB^2 = 302 576 +AB^2 = 900 AB^2 = 324 AB= √ 324 = 18 m^6 B: Use ...
8.9. Inverse Trigonometric Ratios http://www.ck12.org Guided Practice Solve the right triangle. Solve the right triangle. Answ ...
«
13
14
15
16
17
18
19
20
21
22
»
Free download pdf