Grade 11TrigonometryIn a triangle ABC, If s-a/11=s-b/12=s-c/13, thenTan^2 (A/2) is equal to Harshit Saxena 8 Years agoGrade 11
Saurabh Koranglekar7 Years agoa/11 = b/12 = c/13find LCM(a/11,b/12,c/13)that is how you'll figure sidesand then you can find angle immediately