Find the sum of series of n angles in A.p.

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Find the sum of series of n angles in A.p.

Ehtesham Alam 19th May, 2019

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Answer (1)

Sanchita Jain 21st May, 2019

Dear aspirant,

I hope thisformula will help you out

Sina+ Sina+d + sin 2a+d+. ....upto n terms= ( sin nd/2)/(sin d/2)*sin[x+(n-1)/2*d]

Thank you

Good luck

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