Ask
your own question, for FREE!
Mathematics
11 Online
Evaluate the following definite integrals
Still Need Help?
Join the QuestionCove community and study together with friends!
\[\int\limits_{3}^{4}2\sin2x dx\]
wolframalpha.com
u=2x du=2dx if x=4, u=8 if x=3, u=6 \[\int\limits_{6}^{8}sinu du=-cosu|=-\cos8+\cos6\]
yea thats what i got... my teacher must have put something in incorrectly...
why?
Still Need Help?
Join the QuestionCove community and study together with friends!
i dunno... ive done it like 10 times and i keep getting 1.11 (same as my tutor) but Lecturer got 0.88 :S:S:S
did you have it in radians or degrees?
radians and degrees gegrees i got .81 or something like that but not .88
i got 1.10 radians and .004 in degrees your teacher made a mistake
yea... guessed as much lol.. >.< thanks though :D (currently writing cheat sheet for exam tomorrow) >.<
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
laylasnii13:
Poem/diary i wrote I Want Out Iu2019m so tired of screaming into walls. Every fight with my mom leaves something broken and itu2019s not just plates or slam
Countless7Echos:
Aye.. I need actually some help on the shading here.. if the light is from above too I just feel something is off.
Countless7Echos:
I don't know just no sketch doodle day :p finished a video already so I'm pretty
3 hours ago
12 Replies
3 Medals
1 day ago
19 Replies
3 Medals
3 days ago
9 Replies
2 Medals