Trigonometric formulas, Schemes and Mind Maps of Mathematics

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Ractpraial Pent hes, fan cog 2 tanx cob sec Secx tanx <> — cosecx cate exgecs quotient Identhes tan @ = Sn @ cot G2 cos Puthagoras Bit @ + cos" =1 sec - tant! cosec@ - cot'e=) ee Ll Even-Oddt (centities cos sin B iden Hes sno} = -4inG cog (-@) 2 F0088 fon (9) = “tan cot (-@) 2- Cot Sec ("e722 +588 ose C-@)=-cosec® mulfgle £ Submulhpe angle |-cosia = 28in®a 1+ cog 20 = Zeog™a Sum idenhhes @® Formula + cose Binh Sin(ath) = sina cosh = Gina Sin tog Cath)= cso cosh tan Cate)= _ tana + +anb j- tans tan Difference idenhlies © formula gin Ca=b) = Sina case ~ cOSa sink cos Ca-&) = cosacesh ¢ Sina ino, fan Ca-®) = tan a tan b 1+ tan a: fonb Double angle Fornsa Sin 2a = 2a - coh0. costa = Costa. ~ Sine = 2costa - | = 1 — 240 ton2a = _2tana i-tan*a Half angle Formol= ginal?) = a 1=Cosa 2 cos Corz)? fF + of ice (esa gan Co/Z)= product fo Sem 2anf cosB 205A sinB dens Acos 2am sing gum te preduct ein +oinb = 2 fin C+D -cos C=D a sin CATH) +S: CA-B) gin (+8) ~ Sin (AB) cos CAtG)+ cosCA-8) F eos (A-B)- OS CAB) ane gin ~SinD = 2 cog CD - Sm C-D 2 an cosc +0080 = 2cos C+D cos =D 2 2 coat —tes 0 =-2sin e+p-Sin CoD ve 2 tan” i] a= ten" 4} Triple ange Formula 4enta Scosa Sinaa = Sema cop3a = 4co%a tanta. tonga = Stane | — Stan*o gin (nva)-ein(A-B) = S107 A ~ Bin’ SB cos fae} CosCA-R) = cos? A — ot jin 28 = [cosh +64]? }-6n2.A = Lesh sina? tanh i+ font cos 2A= to tontA IrtantA sm 2As tan 2A 2tanA jrtents tons!{ 4) 2 180- ton]