Answer to Question #159620 in Trigonometry for jordyn

Question #159620

A 6.7m totem pole is being erected on Vancouver Island.  The carvers know that the tethers holding the pole in place need to meet the ground at an angle of 39° for maximum stability.  Albert states that they should use the cosine ratio to determine how the long the tethers should be. Stanley argues that they should use the sine ratio.


1
Expert's answer
2021-02-01T08:23:26-0500

"Using\\:sine\\:ratio\\:"

"sin\\:39^{\\circ }=\\frac{6.7}{h}"

"h=\\frac{6.7}{sin\\:39^{\\circ }}=10.6464\\approx10.6m"

"Length\\:of\\:tether=10.6m"


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