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Mirrors > Home > ILE Home > Th. List > tanval2ap | Unicode version |
Description: Express the tangent function directly in terms of . (Contributed by Mario Carneiro, 25-Feb-2015.) (Revised by Jim Kingdon, 22-Dec-2022.) |
Ref | Expression |
---|---|
tanval2ap | # |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tanvalap 11415 | . . 3 # | |
2 | 2cn 8791 | . . . . . . 7 | |
3 | ax-icn 7715 | . . . . . . 7 | |
4 | 2, 3 | mulcomi 7772 | . . . . . 6 |
5 | 4 | oveq2i 5785 | . . . . 5 |
6 | sinval 11409 | . . . . . 6 | |
7 | 6 | adantr 274 | . . . . 5 # |
8 | simpl 108 | . . . . . . . . 9 # | |
9 | mulcl 7747 | . . . . . . . . 9 | |
10 | 3, 8, 9 | sylancr 410 | . . . . . . . 8 # |
11 | efcl 11370 | . . . . . . . 8 | |
12 | 10, 11 | syl 14 | . . . . . . 7 # |
13 | negicn 7963 | . . . . . . . . 9 | |
14 | mulcl 7747 | . . . . . . . . 9 | |
15 | 13, 8, 14 | sylancr 410 | . . . . . . . 8 # |
16 | efcl 11370 | . . . . . . . 8 | |
17 | 15, 16 | syl 14 | . . . . . . 7 # |
18 | 12, 17 | subcld 8073 | . . . . . 6 # |
19 | 3 | a1i 9 | . . . . . 6 # |
20 | 2 | a1i 9 | . . . . . 6 # |
21 | iap0 8943 | . . . . . . 7 # | |
22 | 21 | a1i 9 | . . . . . 6 # # |
23 | 2ap0 8813 | . . . . . . 7 # | |
24 | 23 | a1i 9 | . . . . . 6 # # |
25 | 18, 19, 20, 22, 24 | divdivap1d 8582 | . . . . 5 # |
26 | 5, 7, 25 | 3eqtr4a 2198 | . . . 4 # |
27 | cosval 11410 | . . . . 5 | |
28 | 27 | adantr 274 | . . . 4 # |
29 | 26, 28 | oveq12d 5792 | . . 3 # |
30 | 1, 29 | eqtrd 2172 | . 2 # |
31 | 18, 19, 22 | divclapd 8550 | . . 3 # |
32 | 12, 17 | addcld 7785 | . . 3 # |
33 | simpr 109 | . . . . 5 # # | |
34 | 28, 33 | eqbrtrrd 3952 | . . . 4 # # |
35 | 32, 20, 24 | divap0bd 8562 | . . . 4 # # # |
36 | 34, 35 | mpbird 166 | . . 3 # # |
37 | 31, 32, 20, 36, 24 | divcanap7d 8579 | . 2 # |
38 | 18, 19, 32, 22, 36 | divdivap1d 8582 | . 2 # |
39 | 30, 37, 38 | 3eqtrd 2176 | 1 # |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1331 wcel 1480 class class class wbr 3929 cfv 5123 (class class class)co 5774 cc 7618 cc0 7620 ci 7622 caddc 7623 cmul 7625 cmin 7933 cneg 7934 # cap 8343 cdiv 8432 c2 8771 ce 11348 csin 11350 ccos 11351 ctan 11352 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-coll 4043 ax-sep 4046 ax-nul 4054 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-setind 4452 ax-iinf 4502 ax-cnex 7711 ax-resscn 7712 ax-1cn 7713 ax-1re 7714 ax-icn 7715 ax-addcl 7716 ax-addrcl 7717 ax-mulcl 7718 ax-mulrcl 7719 ax-addcom 7720 ax-mulcom 7721 ax-addass 7722 ax-mulass 7723 ax-distr 7724 ax-i2m1 7725 ax-0lt1 7726 ax-1rid 7727 ax-0id 7728 ax-rnegex 7729 ax-precex 7730 ax-cnre 7731 ax-pre-ltirr 7732 ax-pre-ltwlin 7733 ax-pre-lttrn 7734 ax-pre-apti 7735 ax-pre-ltadd 7736 ax-pre-mulgt0 7737 ax-pre-mulext 7738 ax-arch 7739 ax-caucvg 7740 |
This theorem depends on definitions: df-bi 116 df-dc 820 df-3or 963 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-nel 2404 df-ral 2421 df-rex 2422 df-reu 2423 df-rmo 2424 df-rab 2425 df-v 2688 df-sbc 2910 df-csb 3004 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-nul 3364 df-if 3475 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-int 3772 df-iun 3815 df-br 3930 df-opab 3990 df-mpt 3991 df-tr 4027 df-id 4215 df-po 4218 df-iso 4219 df-iord 4288 df-on 4290 df-ilim 4291 df-suc 4293 df-iom 4505 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 df-iota 5088 df-fun 5125 df-fn 5126 df-f 5127 df-f1 5128 df-fo 5129 df-f1o 5130 df-fv 5131 df-isom 5132 df-riota 5730 df-ov 5777 df-oprab 5778 df-mpo 5779 df-1st 6038 df-2nd 6039 df-recs 6202 df-irdg 6267 df-frec 6288 df-1o 6313 df-oadd 6317 df-er 6429 df-en 6635 df-dom 6636 df-fin 6637 df-pnf 7802 df-mnf 7803 df-xr 7804 df-ltxr 7805 df-le 7806 df-sub 7935 df-neg 7936 df-reap 8337 df-ap 8344 df-div 8433 df-inn 8721 df-2 8779 df-3 8780 df-4 8781 df-n0 8978 df-z 9055 df-uz 9327 df-q 9412 df-rp 9442 df-ico 9677 df-fz 9791 df-fzo 9920 df-seqfrec 10219 df-exp 10293 df-fac 10472 df-ihash 10522 df-cj 10614 df-re 10615 df-im 10616 df-rsqrt 10770 df-abs 10771 df-clim 11048 df-sumdc 11123 df-ef 11354 df-sin 11356 df-cos 11357 df-tan 11358 |
This theorem is referenced by: tanval3ap 11421 |
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