23. Angle of Depression The sonar of a navy cruiser detects a submarine that is 4000 feet from the cruiser. The angle between the water level and the submarine is 31.5° (see figure). How deep is the submarine? 31.5⁰ 4000 ft Not drawn to scale

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A: Note:- Since you have asked multiple question As per our policy, we will solve the first question…

Q: 12. tan-¹(1)

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Q: 298.00 37.00⁰ 39.00 DIA 90.00⁰ 72.00⁰- -78.00 DIA -96.00° +

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A: Evaluate

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Q: Consider this right triangle. 25 R. 24 T. Select the ratio equivalent to cos(S). 7. 25 24 25 /7

A: The correct option is option (A)  The detailed solution is as follows below: