iluvvyyhu
Can someone help me with this question? (One sec I have to draw the triangle)
Find cos θ.



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iluvvyyhu
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dw:1348426873500:dw
sorry i drew the numbers before i realized i could type them lol

klimenkov
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What is \(\theta\)?

klimenkov
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\(\angle BAC\) ?

kingforever
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its ...........thought u was gettin the answerHaHaHa!!!!!

iluvvyyhu
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oo what im sorry im lost

iluvvyyhu
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oh wait

klimenkov
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dw:1348427264524:dw

iluvvyyhu
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dw:1348427257607:dw
does that help a little oo

klimenkov
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Yes, \(\cos\theta=\frac9{\sqrt{5^2+9^2}}\).

iluvvyyhu
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:( im still confused

klimenkov
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Can't you calculate \(\sqrt{5^2+9^2}\) ?

iluvvyyhu
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oh im sorry i couldnt see it, i got sqrt106?

nphuongsun93
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why not use SOHCAHTOA
dw:1348427620061:dw

nphuongsun93
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\[\tan \theta = \frac{5}9\]

iluvvyyhu
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Ohh okay thankyou this is co much easier(: