shm

Seite 1

d/dx sin (x) = cos (x)

d/dx cos (x) = - sin (x)

d/dx tan (x) = dy/dx [sin (x)/cos (x) ]

= cos(x) cos(x)-sin(x)[sin(x)]

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cos^2(x)

= 1/cos^2(x)

= sec^2(x)

an object move in a circular motion with a radius of r & constant angular velocity w

at t =0, the object situated at x

after a certain period, the object is situated at P and @ =wt

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