Ask your own question, for FREE!
Mathematics 34 Online
OpenStudy (anonymous):

given that cos(theta)=-5/13 with theta in quadrant 2, find sin 2(theta)

OpenStudy (jdoe0001):

what are the signs for cosine and sine in Quadrant II anyway? is cosine + or -? and sine is +or -? in 2nd quadrant?

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!
Latest Questions
mintyy: so i got qc sub gifted to me 11 days ago (they bought a month) and after i got su
10 minutes ago 5 Replies 0 Medals
Arriyanalol: feel good to be officially 17
2 hours ago 27 Replies 2 Medals
VAN1LLA: Short story: We've all heard all those heartbreak stories, right? My story has more than meets the eyes.
2 hours ago 10 Replies 1 Medal
whyjustwhy: the most affective way to get rid of hiccups?, already tried chugging and sipping
1 hour ago 5 Replies 0 Medals
DemonKinge: Tangle in the Tide (Love pt1) Love is a river, a sliver of light, Curling and swirling in the silk of night.
17 hours ago 6 Replies 2 Medals
DemonKinge: happy late thanksgiving yall! I hope yall had a wonderful thanksgiving day didnt
17 hours ago 4 Replies 1 Medal
jennurfavv: witch is better stranger things character is best?...
2 hours ago 34 Replies 2 Medals
addison123456: To the man I fall for everyday, over and over again without fail. When your skin touches mine, the world softens as if every worry remembers it has permissi
1 hour ago 11 Replies 2 Medals
VAN1LLA: Short story: We've all heard all those heartbreak stories, right? My story has more than meets the eyes.
9 hours ago 7 Replies 7 Medals
VAN1LLA: Shortahh story: We've all heard all those heartbreak stories, right? My story has more than meets the eyes.
1 day ago 0 Replies 0 Medals
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!