if-tanh-x-2-t-prove-that-cosh-x-1-t-2-1-t-2- Tinku Tara June 4, 2023 Algebra 0 Comments FacebookTweetPin Question Number 126702 by Eric002 last updated on 30/Dec/20 iftanhx2=tprovethatcosh(x)=1+t21−t2 Answered by MJS_new last updated on 23/Dec/20 tanhα=e2α−1e2α+1∧coshα=eα+e−α2⇒t=tanhx2=ex−1ex+11+t21−t2=1+(ex−1ex+1)21−(ex−1ex+1)2=(ex+1)2+(ex−1)2(ex+1)2(ex+1)2−(ex−1)2(ex+1)2==2e2x+24ex=ex+e−x2=coshx Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: sin-1-2-5-find-cos-and-tan-Next Next post: Question-61169 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Save my name, email, and website in this browser for the next time I comment.