Intro to Trigonometry finding the length Name d sin , cos , tan , sin M, cos M, and tan M. Express each ratio as a fraction and as a decimal to e nearest thousandth. 1. 1 = 15, m = 36, n = 39 2. 1 = 12. m = 12:3, n = 24 3. Find sin R, cos R, tan R, sin 5, cos 5, and tan 5. Express each ratio as a fraction and as a decimal to the nearest thousandth. 34 30 4. Find sin J, cos J, tan J, sin , cos , and tan L. Express each ratio as a fraction and as a decimal to the nearest thousandth if necessary. 16 20 K 12 Use a special right triangle to express each trigonometric ratio as a fraction and as a decimal to the nearest thousandth if necessary. 5. sin 30 6. tan 45' 7. cos 60