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Mirrors > Home > ILE Home > Th. List > df-tan | Unicode version |
Description: Define the tangent
function. We define it this way for cmpt 3997, which
requires the form ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
df-tan |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ctan 11389 |
. 2
![]() ![]() | |
2 | vx |
. . 3
![]() ![]() | |
3 | ccos 11388 |
. . . . 5
![]() ![]() | |
4 | 3 | ccnv 4546 |
. . . 4
![]() ![]() ![]() |
5 | cc 7642 |
. . . . 5
![]() ![]() | |
6 | cc0 7644 |
. . . . . 6
![]() ![]() | |
7 | 6 | csn 3532 |
. . . . 5
![]() ![]() ![]() ![]() |
8 | 5, 7 | cdif 3073 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
9 | 4, 8 | cima 4550 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
10 | 2 | cv 1331 |
. . . . 5
![]() ![]() |
11 | csin 11387 |
. . . . 5
![]() ![]() | |
12 | 10, 11 | cfv 5131 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() |
13 | 10, 3 | cfv 5131 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() |
14 | cdiv 8456 |
. . . 4
![]() ![]() | |
15 | 12, 13, 14 | co 5782 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
16 | 2, 9, 15 | cmpt 3997 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
17 | 1, 16 | wceq 1332 |
1
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Colors of variables: wff set class |
This definition is referenced by: tanvalap 11451 |
Copyright terms: Public domain | W3C validator |