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sinx+sin2x=0

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Bridget Nyaguthii

Lvl 2
2y ago
Updated: 3/18/2025

SinX + Sin2X = 0

SinX + 2SinXCosX = 0

Factor

SinX(1 - 2CosX) = 0

Hence

SinX = 0

X = = 0 , 180, 360, ....

&

1 - 2CosX = 0

2CosX = 1

Cos X = 1/2 = 0.5

X = 60, 240, 420, ....

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lenpollock

Lvl 16
3mo ago

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