Unit Circle 3 1 2 2 1 3 2 2 2 2 2 2 30 45 60 Use the Unit Circle to find cos 135 Reference angle 45 Coordinate x ID: 766517
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Unit Circle ( √3 , 1 ) 2 2 ( 1 , √3 ) 2 2 ( √2 , √2 ) 2 2 30˚ 45˚ 60˚
Use the Unit Circle to find cos 135 Reference angle: 45Coordinate: xSign: - Answer: -√2 2
Use the Unit Circle to find sin 315 Reference angle: 45 Coordinate: y Sign: -Answer: -√2 2
Use the Unit Circle to find sin 180 Reference angle: none Coordinate: y Sign: N/AAnswer: 0
Use the Unit Circle to find cos 210 Reference angle: 30Coordinate: xSign: - Answer: -√3 2
Use the Unit Circle to find tan 225 Reference angle: 45 Coordinate: y/x Sign: -/- = +Answer: 1
Use the Unit Circle to find sin 120 Reference angle: 60 Coordinate: y Sign: +Answer: √3 2
Use the Unit Circle to find cos 120 Reference angle: 60Coordinate: xSign: - Answer: -1 2
Use the Unit Circle to find tan 270 Reference angle: none Coordinate: y/x Sign: N/AAnswer: 1 = undefined 0
Use the Unit Circle to find tan 360 Reference angle: none Coordinate: y/x Sign: N/AAnswer: 0 = 0 1
Use the Unit Circle to find cos 90 Reference angle: noneCoordinate: xSign: N/A Answer: 0
Use the Unit Circle to find cos 150 Reference angle: 30Coordinate: xSign: - Answer: -√3 2
Use the Unit Circle to find cos 330 Reference angle: 30Coordinate: xSign: + Answer: √3 2
Use the Unit Circle to find cos 240 Reference angle: 60Coordinate: xSign: - Answer: -1 2
Use the Unit Circle to find tan 180 Reference angle: none Coordinate: y/x Sign: N/AAnswer: 0 = 0 1
Use the Unit Circle to find tan 135 Reference angle: 45 Coordinate: y/x Sign: +/- = -Answer: -1
Use the Unit Circle to find tan 135 Reference angle: 45 Coordinate: y/x Sign: +/- = -Answer: -1