vidalmari6p99qfk
vidalmari6p99qfk vidalmari6p99qfk
  • 25-01-2020
  • Mathematics
contestada

For what value of theta does sin 2theta = cos(theta+30)?
Show steps

For what value of theta does sin 2theta costheta30 Show steps class=

Respuesta :

bayosanuade
bayosanuade bayosanuade
  • 25-01-2020

Answer: Ф = 20

Step-by-step explanation:

sin2Ф = cos (Ф+ 30 )

if sinα = cosβ , then α and β are complementary ,that is they add up to be [tex]90^{0}[/tex].

Therefore : 2Ф + Ф + 30 = 90

3Ф + 30 = 90

3Ф         = 90 - 30

3Ф        = 60

Ф          = 20

Answer Link

Otras preguntas

a survey of 400 students showed that 50% of them bring their lunch everyday how many students bring their lunch over there
How can a chromosome regulate transcription and decrease it? The region that codes for RNA folds. The region that codes for RNA mutates. The region that code
Find the value of x: 7e(×/3)=14
Solve for this equation 89p = 534 make sure to explain!!!
What happens to nearly all of the uv radiation that enters the atmosphere? (site 1)?
PLEASEEEEEEEEEE HELPPPPPPPPPPPPPPP
PLEASE I NEED HELP FAST Why were the Japanese-Americans moved inland? a. to have the Japanese supporters away from their homes c. because the belief was that th
Herrnstein and murray argued that there is a relationship between high iq and:
Solve 152x = 36. Round to the nearest ten-thousandth. 1.7509 2.6466 0.6616 1.9091
why was constantinople established as the capital of the eastern roman empire