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Wat is the solution to the problem k is a ...... Pls find the attachment Ty Pls reply fast

Wat is the solution to the problem k is a ......
Pls find the attachment
Ty
Pls reply fast

Question Image
Grade:11

1 Answers

Vikas TU
14149 Points
5 years ago
let p = sin(pi + a) + sin(2pi + a) + sin(3pi + a) + sin(4pi + a) + -----------------------+ sin(2kpi + a)
       separate odd and even together,
= [sin(pi +a) + sin(3pi +a) + sin(5pi +a) + -----------+] + [sin(2pi +a) + sin(4pi +a) + sin(6pi +a)+------+ ]
=[ -sina - sina -sina -sina -----] + [ sina + sina +sina sina + ------+]
= 0 

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