6. Cal C. was to solve the following equation over the interval . During his calculations he might have made an error. Identify the error and correct his work so that he gets the right answer. Answer Key For sketches of #1 16, see end of key 560°, -160° – 120° 535°, -185° 710°, -30° 36° 280° 2 radians 6.3 257.14° 3 radians 300° 6.4 84.8 0.48 30° 3.3 in2 47.1 in2 340° 8.3 in m 231.4° -180 °, 4.8 m The car travels 81.7 inches farther 395°, -325° 5.2 in. 585°, -135° Sally got 33% more (12.6 vs. 9.4 in2) about 37% 510°, -210° radians 670°, -50° 4 radians 2.8 4.7 435°, -285°
6. Cal C. was to solve the following equation over the interval . During his calculations he might have made an error. Identify the error and correct his work so that he gets the right answer. Answer Key For sketches of #1 – 16, see end of key 120° 36° 280° 257.14° 300° 30° 340° 231.4° 395°, -325° 585°, -135° 510°, -210° 670°, -50° 435°, -285° 560°, -160° 535°, -185° 710°, -30° 2 radians 6.3 3 radians 6.4 84.8 0.48 3.3 in2 47.1 in2 8.3 in m -180 °, 4.8 m The car travels 81.7 inches farther 5.2 in. Sally got 33% more (12.6 vs. 9.4 in2) about 37% radians 4 radians 2.8 4.7