maths82 maths82
  • 01-03-2020
  • Mathematics
contestada

I got pi over 9 for an answer but I don’t understand how to get the rest of them

I got pi over 9 for an answer but I dont understand how to get the rest of them class=

Respuesta :

PollyP52 PollyP52
  • 01-03-2020

Answer:

π/9, 4π/9, 7π/9    (0 ≤ O <  π)

Step-by-step explanation:

sin 3O - √3 cos 3O = 0

Adding √3 cos 3O  to both sides:

sin 3O =  √3 cos 3O    

Divide both sides by cos 3O:  

sin 3O / cos 3O =   √3

tan 3O =  √3

3O = π/3 ,  4π/3,  7π/3  

So O =  π/9, 4π/9, 7π/9.

Answer Link

Otras preguntas

Explain why it is important to know your purpose and audience before you choose your topic, and why it is important to know your main ideas before you begin wri
Solve for R. What will be the answer PV=nRT
What is the pattern in the values as the exponents increase?
Simplify -3 over 5 divided by 7 over 6. A = -7 over 10 B = -18 over 35 C = 18 over 35 D = 7 over 10
The frequency of a wave is the inverse of the wave's _______?periodvelocityamplitudewavelength.​
Who presented Tonga's royal family with the animal that, when he died, was believed to be one of the longest-living animals on record?
How can I solve this equation X-5=0.1(x+5)
Which of the following statements accurately describes the two churches shown here?
the img has the info
Im a drug....My first name x a name of a person nd my second name is found in d human body....Nd my last name x an ingredient who im I