Math, asked by luisegautam111, 3 months ago

(c) Find the sum of the series
n(n-1)
sina +nsin (a +B+ sin(a +2B) + ... to
21
In +1) terms

Answers

Answered by mhaevenjhon

0

Answer:

a+b+ sin-21= 2.21

hope it's help

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