Ask
your own question, for FREE!
Mathematics
13 Online
OpenStudy (muhammadturawa):
f(x) = sin2x g(x)= cos(30'-x) Determine algebraically the value of x for which f(x) = g(x)
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (muhammadturawa):
pls help
OpenStudy (anonymous):
sin2x=cos(30-x) cos(30-x)=cos30cosx+sin30sinx
OpenStudy (anonymous):
so how did you solve
OpenStudy (anonymous):
?
OpenStudy (anonymous):
stop!
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
i was wrong cosx=sin(90-x cos(30-x)=sin(90-(30-x))
OpenStudy (anonymous):
sin(60+x)
OpenStudy (anonymous):
sin2x=sin(60+x)
OpenStudy (anonymous):
do you see it?
OpenStudy (anonymous):
do you see how i got there?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
2X=60+X
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
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
DoltonCarlee:
So like do y'all know anything about the first world war?
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
5 hours ago
8 Replies
1 Medal
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
1 day ago
6 Replies
1 Medal
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
2 days ago
0 Replies
0 Medals
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
2 days ago
2 Replies
1 Medal
DoltonCarlee:
So like do y'all know anything about the first world war?
1 day ago
2 Replies
0 Medals
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
1 day ago
5 Replies
2 Medals
