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anonymous
 one year ago
In ∆ABC, what is the value of cos B?
a) 5/4
b) 3/4
c) 3/5
d) 4/5
e) 4/3
anonymous
 one year ago
In ∆ABC, what is the value of cos B? a) 5/4 b) 3/4 c) 3/5 d) 4/5 e) 4/3

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sepeario
 one year ago
Best ResponseYou've already chosen the best response.3do you know what ratio the cosine function represents?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I forgot what it was... tbh.... I'm really horrible at math... and i couldn't catch on to it...

sepeario
 one year ago
Best ResponseYou've already chosen the best response.3Don't worry :) I can help you. Have you heard of SOH CAH TOA before?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no i havent, my teacher never taught me that

sepeario
 one year ago
Best ResponseYou've already chosen the best response.3It essentially means \[\sin=O/H, \cos=A/H, \tan=O/A\]

sepeario
 one year ago
Best ResponseYou've already chosen the best response.3it's a mnemonic worth remembering for trigonometry.

sepeario
 one year ago
Best ResponseYou've already chosen the best response.3so if cos = adjacent/hypotenuse, do you know which to sides these are in relation to angle b?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0adjacent and hypotenuse?

sepeario
 one year ago
Best ResponseYou've already chosen the best response.3yes but which sides are they in the above triangle?

sepeario
 one year ago
Best ResponseYou've already chosen the best response.3yep, so the final ratio is?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0wait how would i put that in my calculator?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i'm so sorry i literally forget so much stuff it's a problem....

sepeario
 one year ago
Best ResponseYou've already chosen the best response.3you can't really put that into a calculator. so what is the final answer?

sepeario
 one year ago
Best ResponseYou've already chosen the best response.3if adjacent = 3 and hypotenuse = 5 and cos 60 = a/h = ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0sorry i'm so tired and i have 6 online geometry tests to do by 1:18 p.m and its 8:21 a.m

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so is it 3/5 @Sepeario

sepeario
 one year ago
Best ResponseYou've already chosen the best response.3good luck! and i'm sure you'll do well.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i'm gonna fail and have to repeat freshman year
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