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can someone please help Pre calc please??
It's A, B, C, or D
picture attached vvv
xoxo
 one year ago
 one year ago
can someone please help Pre calc please?? It's A, B, C, or D picture attached vvv xoxo
 one year ago
 one year ago

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EulerGroupieBest ResponseYou've already chosen the best response.1
Use pythagorean theorem to get your third side, then use triangular trig ratios to get the trig functions... like sin(theta)=opp/hyp, cos(theta)=adj/hyp, etc...
 one year ago

EulerGroupieBest ResponseYou've already chosen the best response.1
There is a nice little short cut too... once you find sin, cos, and tan... csc, sec, and cot are the reciprocals.
 one year ago

samalamiBest ResponseYou've already chosen the best response.1
@EulerGroupie is it A then??? the first choice?
 one year ago

EulerGroupieBest ResponseYou've already chosen the best response.1
That is not what I got. What did you get for the missing side?
 one year ago

EulerGroupieBest ResponseYou've already chosen the best response.1
eek!\[c ^{2}=a ^{2}+b ^{2}\]where c is the hypotenuse. You have c and a... solve for b\[b=\sqrt{c ^{2}a ^{2}}\]
 one year ago

EulerGroupieBest ResponseYou've already chosen the best response.1
It comes out nice... not irrational. What do you get for the missing side now?
 one year ago

EulerGroupieBest ResponseYou've already chosen the best response.1
Now, all of those trig functions have angle A in them... so you are looking at the triangle from that corner. If that's the case, then 9 is your adjacent side, 12 is your opposite side, and 15 is the hypotenuse. So what is sin A=opp/hyp?
 one year ago

EulerGroupieBest ResponseYou've already chosen the best response.1
Yes! Now cos A=adj/hyp... which is?
 one year ago

EulerGroupieBest ResponseYou've already chosen the best response.1
Not what I got. adj=9, hyp=15...
 one year ago

samalamiBest ResponseYou've already chosen the best response.1
what is the equation for tan?
 one year ago

samalamiBest ResponseYou've already chosen the best response.1
thank you, I understand the rest now
 one year ago

EulerGroupieBest ResponseYou've already chosen the best response.1
Awesome! You're welcome.
 one year ago
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