- #1
ThomasHW
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Homework Statement
http://tunerspec.ca/school/math.jpg
The Attempt at a Solution
For the sixth question, I got:
cos a = [tex]\frac{-3}{8}[/tex]
cos b = [tex]\frac{-5}{4}[/tex]
sin 2a = [tex]\frac{7}{8}[/tex]
Whenever I use the answer I got, it says it's incorrect, but every time I do it I get that answer.
http://tunerspec.ca/school/math1.jpg
I ended up with:
a = [tex]\frac{-1}{5}[/tex]
b = [tex]\frac{32}{15} - \frac{1}{3}d[/tex]
c = 0
I chose option C as it is the only one that made sense to me. I can choose more than one option though... anyone have any input? Maybe I'm not solving the system correctly?
http://tunerspec.ca/school/math2.jpg
I ended up with:
a = [tex]-3c + \frac{2}{7}d + \frac{46}{7}[/tex]
b = [tex]\frac{8}{7}d + \frac{2}{7}d[/tex]
d = [tex]\frac{13}{11}[/tex]
I chose option A and option D as being true... but got it wrong. Could someone possibly take a look please?
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