Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
hawkfalcon
Group Title
Find cos(theta) if tan(theta) = (2/3) and sin(theta) > 0
 2 years ago
 2 years ago
hawkfalcon Group Title
Find cos(theta) if tan(theta) = (2/3) and sin(theta) > 0
 2 years ago
 2 years ago

This Question is Closed

hawkfalcon Group TitleBest ResponseYou've already chosen the best response.0
Find \[\cos \theta if \tan \theta = 2/3 and \sin \theta >0\]
 2 years ago

qpHalcy0n Group TitleBest ResponseYou've already chosen the best response.1
Here, you know that the tangent is opp/adjacent. Since the sine is positive, it must be in either the first or second quadrant right?
 2 years ago

qpHalcy0n Group TitleBest ResponseYou've already chosen the best response.1
So the opposite leg must be positive, therefore since the tangent is negative the adjacent leg must be the negative one. So what quadrant is that?
 2 years ago

hawkfalcon Group TitleBest ResponseYou've already chosen the best response.0
Oh so you know o and a, you just need to find the h, and you can solve it :P
 2 years ago

qpHalcy0n Group TitleBest ResponseYou've already chosen the best response.1
Lets see what ya got when ya get it.
 2 years ago

hawkfalcon Group TitleBest ResponseYou've already chosen the best response.0
Thats 2nd quad
 2 years ago

hawkfalcon Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{ 3 }{ \sqrt{13}}\]
 2 years ago

qpHalcy0n Group TitleBest ResponseYou've already chosen the best response.1
Thats it.
 2 years ago

hawkfalcon Group TitleBest ResponseYou've already chosen the best response.0
:D thank you!
 2 years ago

Yasir_se Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{ x \sqrt{\left x ^{2}4 \right} }{ x ^{2}4 }1>0\]
 2 years ago

hawkfalcon Group TitleBest ResponseYou've already chosen the best response.0
@Yasir_se wtf?
 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.