Prove that sin(a) + sin(a+h) + sin(a+2h) +.........+ sin(a+(n-1)h) = (sin(nh/2) sin(a+(n-1)h/2)/sin(h/2) Share with your friends Share 15 Parthib Biswas answered this You can use mathematical induction to get it proved -13 View Full Answer Farhan answered this Plz give me answer -3 Sukrit Yadav answered this Prove that sin(a) + sin(a+h) + sin(a+2h) +.........+ sin(a+(n-1)h) = (sin(nh/2) sin(a+(n-1)h/2)/sin(h/2) -6 madan12 answered this Sina+sin(a+h) + .... +sin(a+(n-1)h) -7 Hi answered this Here is the answer : https://bit.ly/3R45IzG -1 Hi answered this Other proofs : https://bit.ly/3y7zGdv -1