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Trigonometry Tutorials

This video is for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.

Right Triangle Word Problems - Trigonometry Example

The submarine captain starts ascending at a constant angle of inclination of 20° so that he can surface in 5,000 feet. Changes in pressure are very important in submarine travel, and the pressure in kilopascals, P, is given by the equation P ≈ 2,990d + 101.3. What is the current pressure, P, on the submarine at depth d? (Round your answer to the nearest kilopascal)

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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