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Please answer the question no 20 as soon as possible thanks

Please answer the question no 20 as soon as possible thanks

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Grade:11

1 Answers

Arun
25757 Points
4 years ago
Dear Chandan
y = A sin^2 (kx – wt)
y = A/2 (1 – cos (2kx – 2wt))
y = A/2 – A/2 cos(2kx – 2wt)
Now you can solve this

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