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RAZÓNTRIGONOMÉTRICA Q1 Q2 Q3 Q4
sen + + - -Cos + - - +Tan + - + -Cot + - + -sec + - - +Csc + + - -
SIGNOS DE LAS RAZONES TRIGONOMETRICAS
ÁNGULOS:0°,90°,180°,270°,360°
ANGULOS Sen Cos Tan Cot Sec Csc0° 0 1 0 ∄ 1 ∄
90°π2rad
1 0 ∄ 0 ∄ 1
180°πrad
0 -1 0 ∄ -1 ∄
270°3π2rad -1 0 ∄ 0 ∄ -1
360°2πrad
0 1 0 ∄ 1 ∄