Ask
your own question, for FREE!
Trigonometry
8 Online
OpenStudy (anonymous):
Rewrite cos5x-cos3x as a product
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
I came up with... -2sin(5theta/3theta/2) sin (5theta-3theta/2) -2sin8theta/2 sin2theta/2 -2sin4theta sintheta
OpenStudy (anonymous):
Can someone verify, thanks.
OpenStudy (ranga):
Use the trigonometric identity: cos(A) - cos(B) = -2sin((A+B)/2)sin((A-B)/2)
OpenStudy (anonymous):
um, thought i had?
OpenStudy (ranga):
And your answer is correct.
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
thanks
OpenStudy (ranga):
You had 5theta/3theta/2 which threw me off.
OpenStudy (ranga):
Welcome.
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
Twaylor:
Time flies doesn't it? I tried to not be the second squeaky wheel of the household and ended up hurting myself and others severely.
clllaaaaaire:
any tips? the quality isn't the best because I am using this site on my computer
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
Twaylor:
Time flies doesn't it? I tried to not be the second squeaky wheel of the household and ended up hurting myself and others severely.
22 hours ago
12 Replies
2 Medals
clllaaaaaire:
any tips? the quality isn't the best because I am using this site on my computer
2 weeks ago
2 Replies
0 Medals
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
2 weeks ago
2 Replies
1 Medal
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
1 week ago
6 Replies
2 Medals
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
2 weeks ago
6 Replies
1 Medal
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
3 weeks ago
3 Replies
0 Medals
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
3 weeks ago
0 Replies
0 Medals