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  2. File:Year 9 Trigonometry; Angles of Elevation and Depression ...

    en.wikipedia.org/wiki/File:Year_9_Trigonometry;...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  3. Strike and dip - Wikipedia

    en.wikipedia.org/wiki/Strike_and_dip

    The angle of the intersection with the green plane is the red plane's apparent dip in the northward direction . When measuring or describing the attitude of an inclined feature, two quantities are needed. The angle the slope descends, or dip, and the direction of descent, which can be represented by strike or dip direction. [4]

  4. Spherical coordinate system - Wikipedia

    en.wikipedia.org/wiki/Spherical_coordinate_system

    The user may choose to replace the inclination angle by its complement, the elevation angle (or altitude angle), measured upward between the reference plane and the radial line—i.e., from the reference plane upward (towards to the positive z-axis) to the radial line. The depression angle is the negative of the elevation angle.

  5. Inclinometer - Wikipedia

    en.wikipedia.org/wiki/Inclinometer

    An inclinometer or clinometer is an instrument used for measuring angles of slope, elevation, or depression of an object with respect to gravity's direction. It is also known as a tilt indicator , tilt sensor , tilt meter , slope alert , slope gauge , gradient meter , gradiometer , level gauge , level meter , declinometer , and pitch & roll ...

  6. File:Double-angle diagram of vectors for SimK, refraction ...

    en.wikipedia.org/wiki/File:Double-angle_diagram...

    English: This is from the same patient as illustrated in File:Polar diagram of vectors for SimK, refraction, and ORA.jpg In this double-angle vector diagram, the angles from the polar diagram (Figure 5A) have been doubled to convert to Cartesian coordinates, but the magnitudes (length) of the vectors remains the same. This view better shows how ...

  7. Template:Angles - Wikipedia

    en.wikipedia.org/wiki/Template:Angles

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  8. New Year's resolutions for NFL teams: Lions, 49ers, Vikings ...

    www.aol.com/sports/years-resolutions-nfl-teams...

    In this episode of Football 301, Nate Tice and Matt Harmon are ringing in the New Year with their resolutions for NFL teams as the playoff race heats up. Matt's resolutions focus on teams in the ...

  9. Depression range finder - Wikipedia

    en.wikipedia.org/wiki/Depression_range_finder

    A depression position finder measured the range to a distant target (such as a ship) by solving a right triangle in which the short side was the height of the instrument above mean low water; one angle was the constant right angle between the short side and the plane of the ocean, and the second angle was the depression angle from the horizontal of the instrument as it sighted down from a fire ...