NILAI EKSAK FUNGSI TRIGONOMETRI UNTUK SUDUT ISTIMEWA
SUDUT SIN α° COS α° TAN α° CTG α° SEC α° COSEC α°
0 ° 0 0 1 0 ~ 1 ~
15° π12
14
(√6−√2 ) 14
(√6+√2 ) 2-√3 2+√3 √6-√2 √6+√2
30° π6
12
12√3
13√ 3
√3 23√ 3
2
45° π4
12√ 2
12√ 2
1 1 √2 √2
60° π3
12√3
12
√3 13√ 3
2 23√ 3
75° 5π12
14
(√6+√2 ) 14
(√6−√2 ) 2+√3 2-√3 √6+√2 √6-√2
90° π2
1 0 ~ 0 ~ 1
105° 7π12
14
(√6+√2 ) −14
(√6−√2 ) -(2+√3) -(2-√3) -(√6+√2) √6-√2
120° 2π3
12√3
−12
-√3 −13√ 3
-2 23√ 3
135° 3π4
12√ 2
−12√ 2
-1 -1 -√2 √2
150° 5π6
12
−12√ 3
−13√ 3
-√3 −23√ 3
2
165° 11π12
14
(√6−√2 ) −14
(√6+√2 ) -(2-√3) -(2+√3) -(√6-√2) √6+√2
180° π 0 -1 0 ~ -1 ~
195° 13π12
−14
(√6−√2 ) −14
(√6+√2 ) 2-√3 2+√3 -(√6-√2) -(√6+√2)
210° 7π6
−12
−12√ 3
13√ 3
√3 −23√ 3
-2
225° 5π4
−12√ 2
−12√ 2
1 1 -√2 -√2
240° 4 π3
−12√ 3
−12
√3 13√ 3
-2 −23√ 3
255° 17π12
−14
(√6+√2 ) −14
(√6−√2 ) 2+√3 2-√3 -(√6+√2) -(√6-√2)
270° 3π2
-1 0 ~ 0 ~ -1
285° 19π12
−14
(√6+√2 ) 14
(√6−√2 ) -(2+√3) -(2-√3) √6+√2 -(√6-√2)
300° 5π3
−12√ 3
12
-√3 −13√ 3
2 −23√ 3
315° 7π4
−12√ 2
12√ 2
-1 -1 √2 -√2
330° 11π6
−12
12√3
−13√ 3
-√3 23√ 3
-2
345° 23π12
−14
(√6−√2 ) 14
(√6+√2 ) -(2-√3) -(2+√3) √6-√2 -(√6+√2)
360° 2π 0 1 0 ~ 1 ~
