Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
← 55 members online
 0 viewing

This Question is Closed

DockworkerBest ResponseYou've already chosen the best response.0
you want to get the reference angle, that is the first quadrant angle that has the same value, maybe varying only by sign
 2 years ago

DockworkerBest ResponseYou've already chosen the best response.0
we know the sign is positive in the 2nd quadrant and in the first quadrant
 2 years ago

DockworkerBest ResponseYou've already chosen the best response.0
so this question is the exact same thing as sin(3pi/4pi/2)
 2 years ago

DockworkerBest ResponseYou've already chosen the best response.0
think of the unit circle with radius 1, what would the yvalue need to be with respect to the radius for theta to be pi/4?
 2 years ago

MertsjBest ResponseYou've already chosen the best response.1
dw:1333508390565:dw So \[\sin\frac{3\pi}{4}=\sin\frac{\pi}{4}=\frac{\sqrt{2}}{2}\]
 2 years ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.