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| Mirrors > Home > MPE Home > Th. List > Mathboxes > sinh-conventional | Structured version Visualization version GIF version | ||
| Description: Conventional definition of sinh. Here we show that the sinh definition we're using has the same meaning as the conventional definition used in some other sources. We choose a slightly different definition of sinh because it has fewer operations, and thus is more convenient to manipulate using set.mm. (Contributed by David A. Wheeler, 10-May-2015.) |
| Ref | Expression |
|---|---|
| sinh-conventional | ⊢ (𝐴 ∈ ℂ → (sinh‘𝐴) = ( -i · (sin‘(i · 𝐴)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sinhval-named 51011 | . 2 ⊢ (𝐴 ∈ ℂ → (sinh‘𝐴) = ((sin‘(i · 𝐴)) / i)) | |
| 2 | ax-icn 11264 | . . . . 5 ⊢ i ∈ ℂ | |
| 3 | mulcl 11289 | . . . . 5 ⊢ ((i ∈ ℂ ∧ 𝐴 ∈ ℂ) → (i · 𝐴) ∈ ℂ) | |
| 4 | 2, 3 | mpan 703 | . . . 4 ⊢ (𝐴 ∈ ℂ → (i · 𝐴) ∈ ℂ) |
| 5 | 4 | sincld 16305 | . . 3 ⊢ (𝐴 ∈ ℂ → (sin‘(i · 𝐴)) ∈ ℂ) |
| 6 | ine0 11756 | . . . 4 ⊢ i ≠ 0 | |
| 7 | divrec2 11996 | . . . 4 ⊢ (((sin‘(i · 𝐴)) ∈ ℂ ∧ i ∈ ℂ ∧ i ≠ 0) → ((sin‘(i · 𝐴)) / i) = ((1 / i) · (sin‘(i · 𝐴)))) | |
| 8 | 2, 6, 7 | mp3an23 1482 | . . 3 ⊢ ((sin‘(i · 𝐴)) ∈ ℂ → ((sin‘(i · 𝐴)) / i) = ((1 / i) · (sin‘(i · 𝐴)))) |
| 9 | 5, 8 | syl 18 | . 2 ⊢ (𝐴 ∈ ℂ → ((sin‘(i · 𝐴)) / i) = ((1 / i) · (sin‘(i · 𝐴)))) |
| 10 | irec 14350 | . . . 4 ⊢ (1 / i) = -i | |
| 11 | 10 | oveq1i 7432 | . . 3 ⊢ ((1 / i) · (sin‘(i · 𝐴))) = ( -i · (sin‘(i · 𝐴))) |
| 12 | 11 | a1i 11 | . 2 ⊢ (𝐴 ∈ ℂ → ((1 / i) · (sin‘(i · 𝐴))) = ( -i · (sin‘(i · 𝐴)))) |
| 13 | 1, 9, 12 | 3eqtrd 2799 | 1 ⊢ (𝐴 ∈ ℂ → (sinh‘𝐴) = ( -i · (sin‘(i · 𝐴)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 ≠ wne 2955 ‘cfv 6541 (class class class)co 7422 ℂcc 11203 0cc0 11205 1c1 11206 ici 11207 · cmul 11210 -cneg 11547 / cdiv 11978 sincsin 16236 sinhcsinh 51005 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7753 ax-inf2 9647 ax-cnex 11261 ax-resscn 11262 ax-1cn 11263 ax-icn 11264 ax-addcl 11265 ax-addrcl 11266 ax-mulcl 11267 ax-mulrcl 11268 ax-mulcom 11269 ax-addass 11270 ax-mulass 11271 ax-distr 11272 ax-i2m1 11273 ax-1ne0 11274 ax-1rid 11275 ax-rnegex 11276 ax-rrecex 11277 ax-cnre 11278 ax-pre-lttri 11279 ax-pre-lttrn 11280 ax-pre-ltadd 11281 ax-pre-mulgt0 11282 ax-pre-sup 11283 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-se 5604 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-isom 6550 df-riota 7379 df-ov 7425 df-oprab 7426 df-mpo 7427 df-om 7880 df-1st 8003 df-2nd 8004 df-frecs 8304 df-wrecs 8335 df-recs 8384 df-rdg 8423 df-1o 8481 df-er 8722 df-pm 8855 df-en 8979 df-dom 8980 df-sdom 8981 df-fin 8982 df-sup 9439 df-inf 9440 df-oi 9509 df-card 10025 df-pnf 11350 df-mnf 11351 df-xr 11352 df-ltxr 11353 df-le 11354 df-sub 11548 df-neg 11549 df-div 11979 df-nn 12341 df-2 12410 df-3 12411 df-n0 12612 df-z 12699 df-uz 12971 df-rp 13126 df-ico 13487 df-fz 13645 df-fzo 13794 df-fl 13937 df-seq 14150 df-exp 14210 df-fac 14423 df-hash 14480 df-shft 15227 df-cj 15273 df-re 15274 df-im 15275 df-sqrt 15409 df-abs 15410 df-limsup 15645 df-clim 15662 df-rlim 15663 df-sum 15861 df-ef 16240 df-sin 16242 df-sinh 51008 |
| This theorem is used by: (None) |
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