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Mathematics 20 Online
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˚

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?

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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