Answers

2015-08-20T00:56:30+05:30
There is a simple formula called- Sine series-
sin x +sin (x+y) + sin (x+2y) ..... + sin (x+ny)
= {sin [x + (n/2)y] * sin ny/2} /2
where x= First angle
y = common difference of angle
n = no.of termsĀ 
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