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Mirrors > Home > ILE Home > Th. List > tanaddap | Unicode version |
Description: Addition formula for tangent. (Contributed by Mario Carneiro, 4-Apr-2015.) |
Ref | Expression |
---|---|
tanaddap | # # # |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | addcl 7745 | . . . 4 | |
2 | 1 | adantr 274 | . . 3 # # # |
3 | simpr3 989 | . . 3 # # # # | |
4 | tanvalap 11415 | . . 3 # | |
5 | 2, 3, 4 | syl2anc 408 | . 2 # # # |
6 | sinadd 11443 | . . . . 5 | |
7 | 6 | adantr 274 | . . . 4 # # # |
8 | cosadd 11444 | . . . . 5 | |
9 | 8 | adantr 274 | . . . 4 # # # |
10 | 7, 9 | oveq12d 5792 | . . 3 # # # |
11 | simpll 518 | . . . . . . . 8 # # # | |
12 | 11 | coscld 11418 | . . . . . . 7 # # # |
13 | simplr 519 | . . . . . . . 8 # # # | |
14 | 13 | coscld 11418 | . . . . . . 7 # # # |
15 | 12, 14 | mulcld 7786 | . . . . . 6 # # # |
16 | simpr1 987 | . . . . . . 7 # # # # | |
17 | 11, 16 | tanclapd 11419 | . . . . . 6 # # # |
18 | simpr2 988 | . . . . . . 7 # # # # | |
19 | 13, 18 | tanclapd 11419 | . . . . . 6 # # # |
20 | 15, 17, 19 | adddid 7790 | . . . . 5 # # # |
21 | 12, 14, 17 | mul32d 7915 | . . . . . . 7 # # # |
22 | tanvalap 11415 | . . . . . . . . . . 11 # | |
23 | 11, 16, 22 | syl2anc 408 | . . . . . . . . . 10 # # # |
24 | 23 | oveq2d 5790 | . . . . . . . . 9 # # # |
25 | 11 | sincld 11417 | . . . . . . . . . 10 # # # |
26 | 25, 12, 16 | divcanap2d 8552 | . . . . . . . . 9 # # # |
27 | 24, 26 | eqtrd 2172 | . . . . . . . 8 # # # |
28 | 27 | oveq1d 5789 | . . . . . . 7 # # # |
29 | 21, 28 | eqtrd 2172 | . . . . . 6 # # # |
30 | 12, 14, 19 | mulassd 7789 | . . . . . . 7 # # # |
31 | tanvalap 11415 | . . . . . . . . . . 11 # | |
32 | 13, 18, 31 | syl2anc 408 | . . . . . . . . . 10 # # # |
33 | 32 | oveq2d 5790 | . . . . . . . . 9 # # # |
34 | 13 | sincld 11417 | . . . . . . . . . 10 # # # |
35 | 34, 14, 18 | divcanap2d 8552 | . . . . . . . . 9 # # # |
36 | 33, 35 | eqtrd 2172 | . . . . . . . 8 # # # |
37 | 36 | oveq2d 5790 | . . . . . . 7 # # # |
38 | 30, 37 | eqtrd 2172 | . . . . . 6 # # # |
39 | 29, 38 | oveq12d 5792 | . . . . 5 # # # |
40 | 20, 39 | eqtrd 2172 | . . . 4 # # # |
41 | 1cnd 7782 | . . . . . 6 # # # | |
42 | 17, 19 | mulcld 7786 | . . . . . 6 # # # |
43 | 15, 41, 42 | subdid 8176 | . . . . 5 # # # |
44 | 15 | mulid1d 7783 | . . . . . 6 # # # |
45 | 12, 14, 17, 19 | mul4d 7917 | . . . . . . 7 # # # |
46 | 27, 36 | oveq12d 5792 | . . . . . . 7 # # # |
47 | 45, 46 | eqtrd 2172 | . . . . . 6 # # # |
48 | 44, 47 | oveq12d 5792 | . . . . 5 # # # |
49 | 43, 48 | eqtrd 2172 | . . . 4 # # # |
50 | 40, 49 | oveq12d 5792 | . . 3 # # # |
51 | 17, 19 | addcld 7785 | . . . 4 # # # |
52 | ax-1cn 7713 | . . . . 5 | |
53 | subcl 7961 | . . . . 5 | |
54 | 52, 42, 53 | sylancr 410 | . . . 4 # # # |
55 | tanaddaplem 11445 | . . . . . . . 8 # # # # | |
56 | 55 | 3adantr3 1142 | . . . . . . 7 # # # # # |
57 | 3, 56 | mpbid 146 | . . . . . 6 # # # # |
58 | apsym 8368 | . . . . . . 7 # # | |
59 | 42, 41, 58 | syl2anc 408 | . . . . . 6 # # # # # |
60 | 57, 59 | mpbid 146 | . . . . 5 # # # # |
61 | 41, 42, 60 | subap0d 8406 | . . . 4 # # # # |
62 | 12, 14, 16, 18 | mulap0d 8419 | . . . 4 # # # # |
63 | 51, 54, 15, 61, 62 | divcanap5d 8577 | . . 3 # # # |
64 | 10, 50, 63 | 3eqtr2d 2178 | . 2 # # # |
65 | 5, 64 | eqtrd 2172 | 1 # # # |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 w3a 962 wceq 1331 wcel 1480 class class class wbr 3929 cfv 5123 (class class class)co 5774 cc 7618 cc0 7620 c1 7621 caddc 7623 cmul 7625 cmin 7933 # cap 8343 cdiv 8432 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-disj 3907 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-sup 6871 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-bc 10494 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: (None) |
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