Ask
your own question, for FREE!
Mathematics
39 Online
OpenStudy (anonymous):
using the formulas for lowering powers to rewrite the expression in terms of first power of cosine cos(x)^7 ..can anyone help me with this?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
Cos^2(x) = (1+Cos(2x)) /2 Cos^7(x) = Cos(x) * [(1+Cos(2x)) /2] ^3 then expand and further simplify terms
OpenStudy (anonymous):
how do you expand it?
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
XShawtyX:
Helpud83dude4f All this graphing shi hurts my head like how tf do u do this????
Jasonisyours:
What were the key causes of the French Revolution in 1789?
brianagatica14:
A phone company charges $2 for the first five minutes of a phone call and 30 cents per minute thereafter.
CherryLover:
not sure if ya'll hear of this but last year there was this girl and her name is Aubreigh Wyatt and she was bullied by a group of people and they hated her
ctomk3743:
It's another song I had in mind (please no negative comments) I walk through the rain at night as the wind blows hard and the rain pours down on me.
XShawtyX:
Helpud83dude4f All this graphing shi hurts my head like how tf do u do this????
2 hours ago
1 Reply
1 Medal
Jasonisyours:
What were the key causes of the French Revolution in 1789?
2 hours ago
2 Replies
4 Medals
brianagatica14:
A phone company charges $2 for the first five minutes of a phone call and 30 cents per minute thereafter.
1 hour ago
5 Replies
3 Medals
CherryLover:
not sure if ya'll hear of this but last year there was this girl and her name is Aubreigh Wyatt and she was bullied by a group of people and they hated her
1 hour ago
41 Replies
3 Medals
ctomk3743:
It's another song I had in mind (please no negative comments) I walk through the rain at night as the wind blows hard and the rain pours down on me.
1 day ago
8 Replies
7 Medals