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Mathematics 21 Online
OpenStudy (anonymous):

What is cos A? (Points : 3) Option A: 12/13 Option B: 5/13 Option C: 5/12 Option D: 13/12

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

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

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

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!!

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!

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