Respuesta :

Answer:

a.12/13

Step-by-step explanation:

  • FORMULA: sine of an angle in a triangle is given by, [tex]\frac{opposite side's length}{length of the hypotenuse}[/tex]
  • here, in the given triangle PQR, for angle 'p'

opposite side= QR

adjacent side= PQ

hypotenuse=PR

  • Therefore, sine of angle p= [tex]\frac{QR length}{PR length}  = \frac{12}{13}[/tex]
  • Thus, by using the above given formula, the sine of angle p in the triangle PQR is 12/13.
  • hence, the trigonometric formulas as mentioned above should be remembered for sure to solve these type of problems

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