1 year ago

Use the diagram and cosine function to find the value of x.

Mathematics

2 answers:

77julia77 [94]1 year ago

8 0

x=9.4cos(58°)

because the cosine function uses the ratio of the adjacent side to that of the hypotenuse.

9.4 is the hypotenus the ration is 58 degrees I believe

katen-ka-za [31]1 year ago

7 0

$\\ \rm\Rrightarrow cosA=\dfrac{Base}{Hypotenuse}$

$\\ \rm\Rrightarrow cos58=\dfrac{x}{9.4}$

$\\ \rm\Rrightarrow x=9.4cos58$

Option D

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