Asked by Marie
sin theta - 2sin^2 theta = 0
I'm using the up carrot sign to signal "to the power of..."
Let sin theta = x
x - 2 x^2 = 0
x (1 - 2x) = 0
Both x=0 and x = 1/2 are solutions.
theta = 0 degrees, 30 degrees, 150 degrees and 180 degrees.
Thank you so much!!! im a little confused on how you got the degrees though. I know that is what you are supposed to end up with but i cant connect how you go from the solution to the degrees. could you please explain?
if x= sintheta=0
then theta= arc sin 0
On your calculator, this may be the inv sin or sin<sup>-1</sup> key
oh right! thank you so much!
I'm using the up carrot sign to signal "to the power of..."
Let sin theta = x
x - 2 x^2 = 0
x (1 - 2x) = 0
Both x=0 and x = 1/2 are solutions.
theta = 0 degrees, 30 degrees, 150 degrees and 180 degrees.
Thank you so much!!! im a little confused on how you got the degrees though. I know that is what you are supposed to end up with but i cant connect how you go from the solution to the degrees. could you please explain?
if x= sintheta=0
then theta= arc sin 0
On your calculator, this may be the inv sin or sin<sup>-1</sup> key
oh right! thank you so much!
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