dyamondjackson8846 dyamondjackson8846
  • 11-10-2019
  • Mathematics
contestada

. Find the value of thetatheta that makes each statement true.
c.sintheta=cos(3theta+20).

Respuesta :

PollyP52 PollyP52
  • 11-10-2019

Answer:

17.5 degrees.

Step-by-step explanation:

sin theta = cos (3theta + 20)

Since  sin theta = cos (90 - theta):

90 - theta = 3 theta + 20

-4 theta = -70

theta = 17.5 degrees.

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