Find all solutions of sintheta =0.5 in the region 0 <=theta>= 720* ?

1 Answer
Nghi N
Dec 13, 2017

30^@; 150^@; 390^@; 510^@ in the interval (0, 720)

Explanation:

sin x = 1/2
Trig table and unit circle gives -->
x = 30^@ and x = 150^@ for the interval (0, 360)
x = 360 + 30 = 390^@ and
x = 360 + 150 = 510^@ for the interval (360, 720))

Related questions
Impact of this question
2058 views around the world
You can reuse this answer
Creative Commons License