Tabel Trigonometri Sudut-sudut Istimewa 71705w
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TABLE OF TRIGONOMETRIC RATIO FOR SPECIFIC ANGLES
x˚
0
30
45
60
90
120
135
150
180
210
225
240
270
300
315
330
360
rad
0
1/6π
¼π
1/3π
½π
2/3π
¾π
5/6π
π
7/6π
5/4π
4/3π
3/2π
5/3π
7/4π
11/6 π
2
sin
0
½
½ √2
½ √3
1
½ √3
½ √2
½
0
-½
-½ √2
-½ √3
-1
-½ √3
-½ √2
-½
0
cos
1
½ √3
½ √2
½
0
-½
-½ √2
-½ √3
-1
-½ √3
-½ √2
-½
0
½
½ √2
½ √3
-1
tan
0
1/3√ 3
1
√3
∞
-√3
-1
1/3√ 3
0
1/3√ 3
1
√3
∞
-√3
-1
1/3√ 3
0
Formulas Quadrant 1
sin (90 – a)˚ = cos a
Quadrant 3
cos (90 – a)˚ = sin a
sin (180 + a)˚ = - sin a
tan (90 – a)˚ = cotan a
cos (180 + a)˚ = - cos a
tan (180 + a)˚ = tan a
Quadrant 2
sin (180 – a)˚ = sin a
cos (180 – a)˚ = - cos a
tan (180 – a)˚ = - tan a
By: Andhina_X4_o4
Quadrant 4
sin (360 – a)˚ = - sin a
cos (360 – a)˚ = cos a
tan (360 – a)˚ = - tan a
x˚
0
30
45
60
90
120
135
150
180
210
225
240
270
300
315
330
360
rad
0
1/6π
¼π
1/3π
½π
2/3π
¾π
5/6π
π
7/6π
5/4π
4/3π
3/2π
5/3π
7/4π
11/6 π
2
sin
0
½
½ √2
½ √3
1
½ √3
½ √2
½
0
-½
-½ √2
-½ √3
-1
-½ √3
-½ √2
-½
0
cos
1
½ √3
½ √2
½
0
-½
-½ √2
-½ √3
-1
-½ √3
-½ √2
-½
0
½
½ √2
½ √3
-1
tan
0
1/3√ 3
1
√3
∞
-√3
-1
1/3√ 3
0
1/3√ 3
1
√3
∞
-√3
-1
1/3√ 3
0
Formulas Quadrant 1
sin (90 – a)˚ = cos a
Quadrant 3
cos (90 – a)˚ = sin a
sin (180 + a)˚ = - sin a
tan (90 – a)˚ = cotan a
cos (180 + a)˚ = - cos a
tan (180 + a)˚ = tan a
Quadrant 2
sin (180 – a)˚ = sin a
cos (180 – a)˚ = - cos a
tan (180 – a)˚ = - tan a
By: Andhina_X4_o4
Quadrant 4
sin (360 – a)˚ = - sin a
cos (360 – a)˚ = cos a
tan (360 – a)˚ = - tan a
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