A hiker starts out from his camp and walks 2.40 km due north before walking an additional distance of 3.50 km in the direction 35.0° W of S. He then walks an additional 1.60 km in the direction 20.0° S of E before stopping to rest. (a) At the point where he stopped, how far is the hiker away from his camp? (b) What is the direction is the hiker away from his camp?
Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
A hiker starts out from his camp and walks 2.40 km due north before walking an additional distance of 3.50 km in the direction 35.0° W of S. He then walks an additional 1.60 km in the direction 20.0° S of E before stopping to rest. (a) At the point where he stopped, how far is the hiker away from his camp? (b) What is the direction is the hiker away from his camp?
There are four directions, East,West,North, and South.Image is shown below.
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