If sinº x sin 3x = Cm cos mx where Co, C1,C2,...C, are
,
2
9.
m=0
constants and Cn #0, then n =
A) 0
B) 3
C) 4
D) 6
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If sinº x sin 3x = Cm cos mx where Co, C1,C2,...C, are
,
2
9.
m=0
constants and Cn #0, then n =
A) 0
B) 3
C) 4
D) 6
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