How to use trigonometric ratios to solve real-world problems

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By measuring the angle of elevation from a known distance and using the tangent ratio, you can calculate the buildings height.
Draw a clear diagram representing the situation described in the problem.
Yes, by measuring angles from known points on one side, you can use trigonometric ratios to calculate the distance to a point on the opposite bank.
The angle of depression is the angle from a horizontal line downwards to a point of interest.
They help determine distances and directions by relating angles and sides of triangles formed by the paths of travel.
Finding the height of a kite given the length of the string and the angle of elevation.
Use cosine when you know the adjacent side and the hypotenuse of a right-angled triangle.
Trigonometric ratios, especially sine, are used to ensure the ramps angle is gradual enough to meet accessibility standards.
You may need to use trigonometric identities or consider supplementary angles to solve the problem.
Practice identifying the right-angled triangle within the problem, labeling sides, and choosing the appropriate trigonometric ratio.

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