Ask your own question, for FREE!
Mathematics 15 Online
OpenStudy (anna):

4sin2theta=0 what is the value of theta?

OpenStudy (anonymous):

From trig identities, sin(2theta) = 2sin(theta)cos(theta), so 4sin(2theta) = 8sin(theta)cos(theta), which is zero at 0, pi/2, pi, and -pi/2. If the domain is restricted to 0\[\le\]theta\[\le\]pi, then it is just 0 and pi.

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
MrsTooTac: Happy Mothers Day To All Yall Moms u2764.
36 minutes ago 0 Replies 0 Medals
d3monking: trying to make this look better any tips?
1 hour ago 10 Replies 0 Medals
KillTheNoise: What is the message that Michael Jackson is trying to convey in his 1995 song u20
2 hours ago 4 Replies 2 Medals
jhaseker: I am not okay today. So, in the absence of okay, what else can I be? I can be gentle.
1 day ago 1 Reply 0 Medals
whyjustwhy: IT MY STORYYYYY (not actually me)
20 hours ago 10 Replies 4 Medals
thehearken: anyone have tips on how to remember how to solve for volume and surface area in p
1 day ago 12 Replies 3 Medals
CloverKris: How do I delete this account then make a new one?
2 days ago 4 Replies 0 Medals
Twaylor: what are some common allergies from shampoo and conditioner (im having trouble wi
19 hours ago 6 Replies 3 Medals
notmeta: Does anyone have any tips on how to memorize 30-60-90 and 45-45-90 triangles? I k
3 days ago 6 Replies 0 Medals
laylasnii13: Poem: I don't have a name for it yet By: Layla aka me I learned how to smile before I learned how to speak about pain.
1 day ago 4 Replies 3 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!