WITH SOLUTIONS GRADED A+
◉cos(0°). Answer: 1
◉cos(30°). Answer: √3/2
◉cos(45°). Answer: √2/2
◉cos(60°). Answer: 1/2
◉cos(90°). Answer: 0
◉cos(120°). Answer: −1/2
◉cos(135°). Answer: −√2/2
◉cos(150°). Answer: −√3/2
◉cos(180°). Answer: −1
, ◉cos(210°). Answer: −√3/2
◉cos(225°). Answer: −√2/2
◉cos(240°). Answer: −1/2
◉cos(270°). Answer: 0
◉cos(300°). Answer: 1/2
◉cos(315°). Answer: √2/2
◉cos(330°). Answer: √3/2
◉cos(360°). Answer: 1
◉cos(π/6). Answer: √3/2
◉cos(π/4). Answer: √2/2
◉cos(π/3). Answer: 1/2