Prove-the-identity-cosh-1-x-sinh-1-1-x-please-help- Tinku Tara June 3, 2023 Differentiation 0 Comments FacebookTweetPin Question Number 5874 by sanusihammed last updated on 02/Jun/16 Provetheidentity.cosh−1(x)=sinh−1(1x)pleasehelp. Answered by Yozzii last updated on 02/Jun/16 sinh−1u=ln(u+u2+1)(u∈R)Letu=1x(x≠0).⇒sinh−1x−1=ln(1x+1∣x∣1+x2)Letx>0.⇒∣x∣=x.⇒sinh−1x−1=ln(1+1+x2x)coshy=xey+e−y=2xe2y−2xey+1=0ey=2x±4x2−42ey=x±x2−1y=ln(x±x2−1)cosh−1x=ln(x±x2−1)x⩾1.Letx=1⇒cosh−11=ln(1±0)=0Butsinh−11=ln(1+21)≠0=cosh−11 Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: Differentiate-cosh-1-x-2-1-dy-dx-if-the-given-function-is-y-sinh-1-coth-x-2-Please-help-Next Next post: Question-5876 Leave a Reply Cancel replyYour email address will not be published.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.