Respuesta :

Answer:

  that's as simple as it gets

Step-by-step explanation:

"Simplify" usually means "combine like terms, rationalize the denominator, reduce radicals to the greatest extent, cancel common factors from fractions, eliminate parentheses," and the like.

When a function of a single variable is multiplied by a single constant, there is no simplification that can be done.

  18cos(Ф)

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If your ∅ is supposed to be zero, then cos(0) = 1 and it simplifies to 18.