Grade 9Trigonometryxcosc/a+ysinc/b=1 & ax/cosc-by/sinc=a^2-b^2 then prove x^2/a^2+y^2/b^2=1 Shreyansh Das 9 Years agoGrade 9
Saurabh Koranglekar6 Years agoDear studentThe question contains part as cos ( c/a) for sine anglesKindly check and upload proper questionRegards
Vikas TU6 Years agoDear student Question is not clear Please attach an image, We will happy to help you Good LuckCheers