Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) The equation `y = acos^2 (2pint-(2pix)/lambda)` represents a wave with - Sarthaks eConnect
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The equation `y = acos^2 (2pint-(2pix)/lambda)` represents a wave with

The equation `y = acos^2 (2pint-(2pix)/lambda)` represents a wave with

A.

amplitude a, frequency n and wavelength `lambda`

B.

amplitude a, frequency 2n and wavelength `2lambda`

C.

amplitude `a/2`, frequency 2n and wavelength `lambda`

D.

amplitude `a/2`, frequency 2n and wavelength `lambda/2`
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