DontrellK164444 DontrellK164444
  • 03-11-2022
  • Mathematics
contestada

I need help with this practice problem I need to know if I’m correct.

I need help with this practice problem I need to know if Im correct class=

Respuesta :

CrissyK202759 CrissyK202759
  • 03-11-2022

Let's draw a picture of our problem:

The trigonometric value function of the angle beta will have the same value of the trigonometric value function of theta. Then, in order to find the cosine of beta, we can use the following right triangle

Therefore,

[tex]\cos \beta=\cos \theta=\frac{-4}{\sqrt[]{61}}[/tex]

or equivalently

[tex]\cos \beta=\frac{-4}{61}\sqrt[]{61}[/tex]

Therefore, the answer is correct.

Ver imagen CrissyK202759
Ver imagen CrissyK202759
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