y1=4sin‚Äö√Ñ√∂‚àö√ñ¬¨‚àû(‚âà√¨‚àö¬ – McqOptions

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1.	y₁=4sin‚Äö√Ñ√∂‚àö√ñ¬¨‚àû(‚âà√¨‚àö¬¢t+kx), y₂=-4cos‚Äö√Ñ√∂‚àö√ñ¬¨‚àû(‚âà√¨‚àö¬¢t+kx), the phase difference is$
A.	‚âà√¨‚àö√ë/2
B.	3‚âà√¨‚àö√ë/2
C.	‚âà√¨‚àö√ë
D.	Zero
Answer» C. ‚âà√¨‚àö√ë

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