Metamath Proof Explorer
Table of Contents - 14.3. Basic trigonometry
- The exponential, sine, and cosine functions (cont.)
- efcn
- sincn
- coscn
- reeff1olem
- reeff1o
- reefiso
- efcvx
- reefgim
- Properties of pi = 3.14159...
- pilem1
- pilem2
- pilem3
- pigt2lt4
- sinpi
- pire
- picn
- pipos
- pirp
- negpicn
- sinhalfpilem
- halfpire
- neghalfpire
- neghalfpirx
- pidiv2halves
- sinhalfpi
- coshalfpi
- cosneghalfpi
- efhalfpi
- cospi
- efipi
- eulerid
- sin2pi
- cos2pi
- ef2pi
- ef2kpi
- efper
- sinperlem
- sinper
- cosper
- sin2kpi
- cos2kpi
- sin2pim
- cos2pim
- sinmpi
- cosmpi
- sinppi
- cosppi
- efimpi
- sinhalfpip
- sinhalfpim
- coshalfpip
- coshalfpim
- ptolemy
- sincosq1lem
- sincosq1sgn
- sincosq2sgn
- sincosq3sgn
- sincosq4sgn
- coseq00topi
- coseq0negpitopi
- tanrpcl
- tangtx
- tanabsge
- sinq12gt0
- sinq12ge0
- sinq34lt0t
- cosq14gt0
- cosq14ge0
- sincosq1eq
- sincos4thpi
- tan4thpi
- sincos6thpi
- sincos3rdpi
- pigt3
- pige3
- pige3ALT
- abssinper
- sinkpi
- coskpi
- sineq0
- coseq1
- cos02pilt1
- cosq34lt1
- efeq1
- cosne0
- cosordlem
- cosord
- cos0pilt1
- cos11
- sinord
- recosf1o
- resinf1o
- tanord1
- tanord
- tanregt0
- negpitopissre
- Mapping of the exponential function
- efgh
- efif1olem1
- efif1olem2
- efif1olem3
- efif1olem4
- efif1o
- efifo
- eff1olem
- eff1o
- efabl
- efsubm
- circgrp
- circsubm
- The natural logarithm on complex numbers
- clog
- ccxp
- df-log
- df-cxp
- logrn
- ellogrn
- dflog2
- relogrn
- logrncn
- eff1o2
- logf1o
- dfrelog
- relogf1o
- logrncl
- logcl
- logimcl
- logcld
- logimcld
- logimclad
- abslogimle
- logrnaddcl
- relogcl
- eflog
- logeq0im1
- logccne0
- logne0
- reeflog
- logef
- relogef
- logeftb
- relogeftb
- log1
- loge
- logneg
- logm1
- lognegb
- relogoprlem
- relogmul
- relogdiv
- explog
- reexplog
- relogexp
- relog
- relogiso
- reloggim
- logltb
- logfac
- eflogeq
- logleb
- rplogcl
- logge0
- logcj
- efiarg
- cosargd
- cosarg0d
- argregt0
- argrege0
- argimgt0
- argimlt0
- logimul
- logneg2
- logmul2
- logdiv2
- abslogle
- tanarg
- logdivlti
- logdivlt
- logdivle
- relogcld
- reeflogd
- relogmuld
- relogdivd
- logled
- relogefd
- rplogcld
- logge0d
- logge0b
- loggt0b
- logle1b
- loglt1b
- divlogrlim
- logno1
- dvrelog
- relogcn
- ellogdm
- logdmn0
- logdmnrp
- logdmss
- logcnlem2
- logcnlem3
- logcnlem4
- logcnlem5
- logcn
- dvloglem
- logdmopn
- logf1o2
- dvlog
- dvlog2lem
- dvlog2
- advlog
- advlogexp
- efopnlem1
- efopnlem2
- efopn
- logtayllem
- logtayl
- logtaylsum
- logtayl2
- logccv
- cxpval
- cxpef
- 0cxp
- cxpexpz
- cxpexp
- logcxp
- cxp0
- cxp1
- 1cxp
- ecxp
- cxpcl
- recxpcl
- rpcxpcl
- cxpne0
- cxpeq0
- cxpadd
- cxpp1
- cxpneg
- cxpsub
- cxpge0
- mulcxplem
- mulcxp
- cxprec
- divcxp
- cxpmul
- cxpmul2
- cxproot
- cxpmul2z
- abscxp
- abscxp2
- cxplt
- cxple
- cxplea
- cxple2
- cxplt2
- cxple2a
- cxplt3
- cxple3
- cxpsqrtlem
- cxpsqrt
- logsqrt
- cxp0d
- cxp1d
- 1cxpd
- cxpcld
- cxpmul2d
- 0cxpd
- cxpexpzd
- cxpefd
- cxpne0d
- cxpp1d
- cxpnegd
- cxpmul2zd
- cxpaddd
- cxpsubd
- cxpltd
- cxpled
- cxplead
- divcxpd
- recxpcld
- cxpge0d
- cxple2ad
- cxplt2d
- cxple2d
- mulcxpd
- cxpsqrtth
- 2irrexpq
- cxprecd
- rpcxpcld
- logcxpd
- cxplt3d
- cxple3d
- cxpmuld
- cxpcom
- dvcxp1
- dvcxp2
- dvsqrt
- dvcncxp1
- dvcnsqrt
- cxpcn
- cxpcn2
- cxpcn3lem
- cxpcn3
- resqrtcn
- sqrtcn
- cxpaddlelem
- cxpaddle
- abscxpbnd
- root1id
- root1eq1
- root1cj
- cxpeq
- loglesqrt
- logreclem
- logrec
- Logarithms to an arbitrary base
- clogb
- df-logb
- logbval
- logbcl
- logbid1
- logb1
- elogb
- logbchbase
- relogbval
- relogbcl
- relogbzcl
- relogbreexp
- relogbzexp
- relogbmul
- relogbmulexp
- relogbdiv
- relogbexp
- nnlogbexp
- logbrec
- logbleb
- logblt
- relogbcxp
- cxplogb
- relogbcxpb
- logbmpt
- logbf
- logbfval
- relogbf
- logblog
- logbgt0b
- logbgcd1irr
- 2logb9irr
- logbprmirr
- 2logb3irr
- 2logb9irrALT
- sqrt2cxp2logb9e3
- 2irrexpqALT
- Theorems of Pythagoras, isosceles triangles, and intersecting chords
- angval
- angcan
- angneg
- angvald
- angcld
- angrteqvd
- cosangneg2d
- angrtmuld
- ang180lem1
- ang180lem2
- ang180lem3
- ang180lem4
- ang180lem5
- ang180
- lawcoslem1
- lawcos
- pythag
- isosctrlem1
- isosctrlem2
- isosctrlem3
- isosctr
- ssscongptld
- affineequiv
- affineequiv2
- affineequiv3
- affineequiv4
- affineequivne
- angpieqvdlem
- angpieqvdlem2
- angpined
- angpieqvd
- chordthmlem
- chordthmlem2
- chordthmlem3
- chordthmlem4
- chordthmlem5
- chordthm
- heron
- Solutions of quadratic, cubic, and quartic equations
- quad2
- quad
- 1cubrlem
- 1cubr
- dcubic1lem
- dcubic2
- dcubic1
- dcubic
- mcubic
- cubic2
- cubic
- binom4
- dquartlem1
- dquartlem2
- dquart
- quart1cl
- quart1lem
- quart1
- quartlem1
- quartlem2
- quartlem3
- quartlem4
- quart
- Inverse trigonometric functions
- casin
- cacos
- catan
- df-asin
- df-acos
- df-atan
- asinlem
- asinlem2
- asinlem3a
- asinlem3
- asinf
- asincl
- acosf
- acoscl
- atandm
- atandm2
- atandm3
- atandm4
- atanf
- atancl
- asinval
- acosval
- atanval
- atanre
- asinneg
- acosneg
- efiasin
- sinasin
- cosacos
- asinsinlem
- asinsin
- acoscos
- asin1
- acos1
- reasinsin
- asinsinb
- acoscosb
- asinbnd
- acosbnd
- asinrebnd
- asinrecl
- acosrecl
- cosasin
- sinacos
- atandmneg
- atanneg
- atan0
- atandmcj
- atancj
- atanrecl
- efiatan
- atanlogaddlem
- atanlogadd
- atanlogsublem
- atanlogsub
- efiatan2
- 2efiatan
- tanatan
- atandmtan
- cosatan
- cosatanne0
- atantan
- atantanb
- atanbndlem
- atanbnd
- atanord
- atan1
- bndatandm
- atans
- atans2
- atansopn
- atansssdm
- ressatans
- dvatan
- atancn
- atantayl
- atantayl2
- atantayl3
- leibpilem1
- leibpilem2
- leibpi
- leibpisum
- log2cnv
- log2tlbnd
- The Birthday Problem
- log2ublem1
- log2ublem2
- log2ublem3
- log2ub
- log2le1
- birthdaylem1
- birthdaylem2
- birthdaylem3
- birthday
- Areas in R^2
- carea
- df-area
- dmarea
- areambl
- areass
- dfarea
- areaf
- areacl
- areage0
- areaval
- More miscellaneous converging sequences
- rlimcnp
- rlimcnp2
- rlimcnp3
- xrlimcnp
- efrlim
- dfef2
- cxplim
- sqrtlim
- rlimcxp
- o1cxp
- cxp2limlem
- cxp2lim
- cxploglim
- cxploglim2
- divsqrtsumlem
- divsqrsumf
- divsqrsum
- divsqrtsum2
- divsqrtsumo1
- Inequality of arithmetic and geometric means
- cvxcl
- scvxcvx
- jensenlem1
- jensenlem2
- jensen
- amgmlem
- amgm
- Euler-Mascheroni constant
- cem
- df-em
- logdifbnd
- logdiflbnd
- emcllem1
- emcllem2
- emcllem3
- emcllem4
- emcllem5
- emcllem6
- emcllem7
- emcl
- harmonicbnd
- harmonicbnd2
- emre
- emgt0
- harmonicbnd3
- harmoniclbnd
- harmonicubnd
- harmonicbnd4
- fsumharmonic
- Zeta function
- czeta
- df-zeta
- zetacvg
- Gamma function
- clgam
- cgam
- cigam
- df-lgam
- df-gam
- df-igam
- eldmgm
- dmgmaddn0
- dmlogdmgm
- rpdmgm
- dmgmn0
- dmgmaddnn0
- dmgmdivn0
- lgamgulmlem1
- lgamgulmlem2
- lgamgulmlem3
- lgamgulmlem4
- lgamgulmlem5
- lgamgulmlem6
- lgamgulm
- lgamgulm2
- lgambdd
- lgamucov
- lgamucov2
- lgamcvglem
- lgamcl
- lgamf
- gamf
- gamcl
- eflgam
- gamne0
- igamval
- igamz
- igamgam
- igamlgam
- igamf
- igamcl
- gamigam
- lgamcvg
- lgamcvg2
- gamcvg
- lgamp1
- gamp1
- gamcvg2lem
- gamcvg2
- regamcl
- relgamcl
- rpgamcl
- lgam1
- gam1
- facgam
- gamfac