Asked by Unknown

Which are the solutions to 8cos^2 theta-3cos theta=0, 0 degrees is less than or equal to theta which is less than or equal to 180 degrees ? Select all that apply
a)0.0 degrees
b)22.0 degrees
c)52.0 degrees**
d)68.0 degrees
e)90.0 degrees**
I’m pretty sure e is right but I’m not sure about c.
Answered by Bosnian
Unknown
I'm not going to do your complet homework.
Answered by Reiny
I agree with Bosnian. You have now posted 4 consecutive questions without showing
any effort on your part. Nor did you indicate where your difficulties lie.
So ...... your turn.
Answered by Unknown
I’ve given the answers I think it is I just have no idea if I’m doing it right. Every time I try to use my calculator for this question specifically, it doesn’t give an answer for the other 4 answers. Sorry I’ve posted so many but there are over 20 questions for my homework and I’ve only asked for 4.
Answered by Reiny
and your other choice is incorrect, hope you weren't just guessing,
hoping one of us would do it for you.
Answered by Damon
8 x^2 - 3 x = 0
x = 0 or x = 3/8
e is right but how did you get c ?
Answered by Damon
Maybe your calculator does not do significant figures LOL
Answered by Rez
if anyone else is looking for this answer, 90.0 was correct. the other correct answer would be 68.0.
Answered by Helping others is very precious
Rez is 100% correct, I did it. Please all my fellows, don't hurt others through your words because you don't know how they are feeling. So always be kind and help others because if you help others God will guide and help you.
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