Mathematics, 06.01.2021 23:10, mariapowers490
Question 2
The direction of a vector is defined as the angle of the vector in relation to a horizontal line. As a standard, this angle is measured counterclockwise from the positive x-axis. The direction or angle of in the diagram is α.
Part A
How can you use trigonometric ratios to calculate the direction α of a general vector v = , similar to the diagram?
Part B
Suppose that vector V lies in quadrant II, quadrant III, or quadrant IV. How can you use trigonometric ratios to calculate the direction (i. e., angle) of the vector in each of these quadrants with respect to the positive x-axis? The angle between the vector and the positive x-axis will be greater than 90 degrees in each case.
Part C
Now try a numerical problem. What is the direction of the vector w = ?
Answers: 1
Mathematics, 21.06.2019 12:50, tifftiff22
Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.
Answers: 2
Mathematics, 21.06.2019 15:00, mdaniella522
7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.
Answers: 2
Question 2
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