Question

5. Identify the correct trigonometry formula to use to solve for X.

Answer 1

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Answer:

  (a)  cos(55°) = 11/x

Step-by-step explanation:

The marked sides are the hypotenuse (x) and the side adjacent to the given angle (11). Then the relevant trig ratio is ...

  Cos = Adjacent/Hypotenuse

  cos(55°) = 11/x