The transverse wave represented by the equation y + 4sinπsin(3x

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1. amplitude = 4
2. wavelength = 4(π/3)
3. speed of propagation = 5
4. period = π/15

Compare the given equation with standard form

y = r sin		2πx	-	2πt
		λ		T

	2π	= 3,λ =	2π	and	2π	= 15
	λ		3		T

T =	2π
	15

Speed of propagation,

v =	λ	=	2π/3	= 5
	T		2π/15

y + 4sin		π		sin(3x + 15t) has
		6