If-for-0-lt-x-lt-pi-2-y-exp-sin-2-x-sin-4-x-sin-6-x-log-e-2-is-a-zero-of-the-quadratic-equation-x-2-9x-8-0-then-the-value-of-sin-x-cos-x-sin-x-cos-x-is- Tinku Tara June 14, 2023 None 0 Comments FacebookTweetPin Question Number 56415 by gunawan last updated on 16/Mar/19 Iffor0<x<π2,y=exp[(sin2x+sin4x+sin6x+…∞)loge2]isazeroofthequadraticequationx2−9x+8=0,thenthevalueofsinx+cosxsinx−cosxis Answered by tanmay.chaudhury50@gmail.com last updated on 16/Mar/19 y=e[(sin2x+sin4x+…∞)ln2]nows=sin2x+sin4x+…∞s=sin2x1−sin2x=tan2xy=etan2x×ln2x2−9x+8=0(x−1)(x−8)=0sovalueofyiseither=1or81=etan2x×ln2e0=etan2x×ln2buttanx≠0so8=etan2x×ln2tan2x×ln2=ln8tan2x×ln2=3ln2tanx=3sinx+cosxsinx−cosx=tanx+1tanx−1→3+13−13+23+13−1=4+232=2+3answer Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: The-solution-of-the-equation-1-a-a-2-a-3-a-x-1-a-1-a-2-1-a-4-is-given-by-x-Next Next post: 666-6-2-n-digits-888-8-n-digits-is-equal-to- Leave a Reply Cancel replyYour email address will not be published.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.