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OpenStudy (anonymous):
Sally is tracking a submarine on a sea floor using a sonar detector, as shown below. What is the depth, in meters, at which the submarine is located? 490 tan 28˚ 490 sin 28˚
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OpenStudy (anonymous):
490 over cos of 28 490 over sin 28
OpenStudy (anonymous):
OpenStudy (anonymous):
this is the picture
OpenStudy (anonymous):
\[490/\sin 28\]
OpenStudy (anonymous):
How did you slove for this?
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OpenStudy (anonymous):
well sin 28= the hypotenuse/the depth. This is fundamental trigonometry. the hypotenuse of the triangle is given as 490, so depth=490/sin 28.
OpenStudy (anonymous):
oh ohkay i get it thankyou :D
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