Respuesta :

Answer:

tan 15 degrees = 8 / AC

AC = 8 / tan 15

AC = 8 / 0.26795

AC = 29.856

sin 15 degrees = 8 / AB

AB = 8 / sin 15

AB = 8 / 0.25882

AB = 30.91

Step-by-step explanation:

The length of the other two sides of the right triangle is as follows:

AC =  29.9

AB = 31.0

Trigonometric ratios:

Trigonometric ratio are used to find the angles and sides of a right angle triangle. The simplest trigonometric ratio are as follows;

  • sin x = opposite / adjacent
  • cos x = adjacent / hypotenuse
  • tan x = opposite / adjacent

Therefore,

BC = 8

∠ A = 15°

∠B = 75°

∠C = 90°

Therefore,

using trigonometric ratio we can find AC and AB. Therefore,

tan 75 = opposite / adjacent

tan 75 = AC / BC

tan 75 = AC / 8

AC = 8 tan 75

AC = 29.8564064606

AC = 29.9

sin 75 = opposite / hypotenuse

sin75 = AC / AB

sin 75 = 29.9 / AB

AB = 29.9 / sin 75

AB = 30.9547842741

AB = 31.0

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