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OpenStudy (anonymous):
Find the cosine ratio of angle Θ. Hint: Use the slash symbol ( / ) to represent the fraction bar and enter the fraction with no spaces.
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OpenStudy (anonymous):
OpenStudy (michele_laino):
hint:
we can write:
\[\large 3 = 5 \times \cos \theta \]
OpenStudy (acxbox22):
SOH CAH TOA
CAH
cos=adjacent side/ hypotenuse
sub in the corrresponding values for your cos ratio
OpenStudy (anonymous):
so 3/5?
OpenStudy (michele_laino):
yes!
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OpenStudy (anonymous):
so that will be my answer for all of these types of questions? @Michele_Laino @acxbox22
OpenStudy (acxbox22):
3/5 is correct :)
OpenStudy (michele_laino):
as @acxbox22 has wrote, your answer is
\[\large \frac{{adjacent\;side}}{{hypotenuse}}\]
OpenStudy (anonymous):
But lets say it asked me for the Tangent ratio of the angle? what would i do then
OpenStudy (anonymous):
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OpenStudy (michele_laino):
in that case we can write:
\[\large 4 = 3 \times \tan \theta \]
OpenStudy (acxbox22):
remember SOH CAH TOA
OpenStudy (anonymous):
Can you explain the SOH CAH TOA
OpenStudy (michele_laino):
\[\large 12 = 5 \times \tan \theta \]
OpenStudy (anonymous):
Nevermind I understand thank you guys
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OpenStudy (acxbox22):
Sine=opposite/hypotenuse
Cosine=adjacent/hypotenuse
Tangent=opposite/adjacent
OpenStudy (michele_laino):
thank you!
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