Ask
your own question, for FREE!
Mathematics
9 Online
OpenStudy (lilsis76):
us addition formulas for Sin & Cos to simplify the expressions. instructors instruction: LET S=45, T=30 cos 2u cos 3u - sin 2u sin 3u
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (lilsis76):
I know for cosine its..... cos(s+t)=cos S cos T - sin S cos T does that mean i have to put the 2u or just a 2?
OpenStudy (lilsis76):
oh im sorry UGH! dumb teacher instructions. since S is 45 and T is 30....i fill those in? Am i trying to find cos and sin? or just sin?
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
natalieee:
who else wants a job in biology? I love biomedical science and want to work with
avisshomes:
What should I look for before choosing a co-living space in Gurgaon?
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
natalieee:
who else wants a job in biology? I love biomedical science and want to work with
16 minutes ago
3 Replies
0 Medals
avisshomes:
What should I look for before choosing a co-living space in Gurgaon?
2 days ago
6 Replies
0 Medals
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.
4 days 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.
3 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
2 weeks ago
6 Replies
2 Medals
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
3 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
4 weeks ago
0 Replies
0 Medals