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[" 14."sin2x+2sin4x+sin6x=4cos^(2)x sin4...

[" 14."sin2x+2sin4x+sin6x=4cos^(2)x sin4x],[" 4"=" and "x" cins "5x+sin3x" ) "=cot x(sin5x-sin3x)]

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sin2x+2sin4x+sin6x= 4cos^(2)xsin4x

cot4x(sin5x+sin3x)= cotx(sin5x-sin3x)

cot 4x (sin 5x + sin 3x) = cot x (sin 5x - sin 3x)

cot 4x (sin 5x + sin 3x) = cot x (sin 5x - sin 3x)

cot 4x (sin 5x + sin 3x) = cot x (sin 5x - sin 3x)

cot 4x (sin 5x + sin 3x) = cot x (sin 5x - sin 3x)

cot 4x (sin 5x + sin 3x) = cot x (sin 5x - sin 3x)

Prove that: sin2x+2sin4x+sin6x=4cos^(2)x sin4x

prove that sin2x+2sin4x+sin6x=4cos^(2)x.sinx

Prove that cot4x(sin5x+sin3x)=cot x(sin5x-sin3x)