Respuesta :
If the value of the cosecant 19Ï€/4 and 3Ï€/4 are the same then they are coterminal angles. Then the correct option is A.
What is an angle?
Angle is the space between the line or the surface that meets. Â And the angle is measured in degree. For complete 1 rotation, the angle is 360 degrees.
The expression is given below.
[tex]\rm cosec \ \dfrac{19\pi}{4} =\sqrt2[/tex]
The angle is 19Ï€/4.
Coterminal angle - The angles in a standard position that have a common terminal side.
Then we have
[tex]\Rightarrow \dfrac{19\pi}{4} - 2*2\pi\\\\\Rightarrow \dfrac{19\pi - 16\pi}{4} \\\\\Rightarrow \dfrac{3\pi}{4}[/tex]
More about the angled link is given below.
https://brainly.com/question/15767203