Mathematics
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OpenStudy (anonymous):
What is cos A?
(Points : 3)
Option A: 12/13
Option B: 5/13
Option C: 5/12
Option D: 13/12
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OpenStudy (anonymous):
OpenStudy (anonymous):
hey if you can help please do :)
OpenStudy (anonymous):
I'm here again :)
Cos = adj/hyp
= 5/13
OpenStudy (anonymous):
? 5/13 or 13/5?lol
OpenStudy (anonymous):
@Luis_Rivera , guess you flipped it
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OpenStudy (anonymous):
It should be 5/13
OpenStudy (anonymous):
oh okay well i have one last one do you think that you can help?
OpenStudy (anonymous):
Sure!
OpenStudy (anonymous):
thank you so much here it is :
OpenStudy (anonymous):
. What is tan A?
(Points : 3)
Option A: 6/8
Option B: 8/10
Option C: 8/6
Option D: 6/10
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OpenStudy (anonymous):
Remember: tan = opp/adj
So what side is opposite angle A?
OpenStudy (anonymous):
Cos = adj/hyp so then 6/10????
OpenStudy (anonymous):
Hmmm...
OpenStudy (anonymous):
Tan = opp/ adj
OpenStudy (anonymous):
Opposite side is 8
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OpenStudy (anonymous):
Do you see it now?
OpenStudy (anonymous):
yeah omg lol im so stupid ahah i confused cos and tan ugh lol
OpenStudy (anonymous):
So opp/adj = 8/6
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Nice!!
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OpenStudy (anonymous):
i always confused my self in thinking that they are the same thing
OpenStudy (anonymous):
A way to remember: SOHCAHTOA
OpenStudy (anonymous):
that is sin = opp/hpy ---SOH
cos = adj/hyp ----CAH
tan = opp/adj ----TOA
OpenStudy (anonymous):
cool i will write that down thank you so much
OpenStudy (anonymous):
No problem!