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

what years did the cattle drives take place from
please help Evaluate the expression when r = 8.2 and s = –3.7. r – 2s A. –22.94 B. 0.8 C. 4.5 D. 15.6
What is (7/12)/(5/9)? In simplest form..
What are 5 pros and cons of living in sparta and athens in greece?
events of ww2 that led to UDHR
how do you work out 45.3x6 using grid method
is the earth getting heavier
How does the value of the 8 in 589,310 compare to the value of the 8 in 598,301? A. It is 8 times as much B.It is 10 times as much C. It is 80 times as much
What is .5v^1/3 Can u please help? Ian super lost!!!!!!
what were National and State Bank policies in the 1830's contributed to?