1+cos x + cos²x +..... to & = 4+2 route 3 = x
1) 30° 2) 60 3) 45 4) 90°
NeelamG:
@guunu
what after ......... in statement
define it is finite or infinite term
please write full question then
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please write the question correctly it is different to understand what you have wrote like ...to=
what is this
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