[pic]
————————
[pic]
[pic]
[pic]
|[pi|0|30|45|60|90|18|27|36|
|c] | |  |  |  |  |0 |0 |0 |
|[pi|0|1/|(2|(3|1 |0 |-1|0 |
|c] | |2 |/2|/2|  |  |  |  |
|[pi|1|(3|(2|1/|0 |-1|0 |1 |
|c] | |/2|/2|2 |  |  |  |  |
|[pi|0|(3|1 |(3|– |0 |– |0 |
|c] | |/3|  |  |  |  |  |  |
|[pi|–|(3|1 |(3|0 |– |0 |– |
|c] | |  |  |/3|  |  |  |  |
tg,ctg
sin
cos
[pic]
|n |R   |r   |
|n=|R=a/|r=a/|
|3 |(3  |(2(3|
|  |    |)   |
|n=|R=a/|r=a/|
|4 |(2  |2   |
|n=|R=a |r=a(|
|6 |    |3/2 |
|a/2sin|a/2tg|
|(180/n|(180/|
|)     |n)   |
[pic]
[pic]
[pic]
[pic]
                                   arccos
[pic]
                                   arcctg
                                   arcsin
[pic]
                                    arctg
[pic]
[pic]