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

once the delegates determined the three fifths compromise what issue did they tackle next?
what is the additive inverse opposite of 18/23
3-2i/5i+2 What is the solution?
what were National and State Bank policies in the 1830's contributed to?
A sand box has an area of 45 ft. The length is 4 feet longer than the width. What are the dimensions of the sand box? Solve by completing the square
represent the number 1.16 using base ten blocks
In a short response of at least three complete sentences, define flash-forward and explain its effect on a traditional plot structure
which channel is the most popular one for the evening news A. WANR B. WWCN C. WCLM D. WKOD
solve the equation for C f=9/5c+32
Are many valuable minerals found in or near areas of volcanic activity and mountain building?