solve-cos2-3cos-1-for-o-2pi- Tinku Tara June 3, 2023 Trigonometry 0 Comments FacebookTweetPin Question Number 10836 by okhema last updated on 27/Feb/17 solvecos2θ−3cosθ=1foro⩽θ⩽2π Answered by ridwan balatif last updated on 27/Feb/17 cos2θ−3cosθ=1(2cos2θ−1)−3cosθ=12cos2θ−3cosθ−2=0(2cosθ+1)(cosθ−2)=0cosθ=−1/2∨cosθ=2(IMPOSSIBLE)cosθ=−1/2θ=23π,43π Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: prove-that-1-r-1-n-r-1-2-n-n-1-2-r-1-n-r-2-1-6-n-n-1-2n-1-3-r-1-n-r-3-1-4-n-2-n-1-2-Next Next post: Q137026- Leave a Reply Cancel replyYour email address will not be published.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.
