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Differentiate cos(t)

\frac{d}{dr}\left[\cos{\left(t \right)}\right]

Step by step

  1. \frac{d}{dr}\left[\cos{\left(t \right)}\right]

    Start from the derivative to compute.

  2. 0

    The derivative of a constant is 0.

Reveal the answer
f'(r) = 0