Year 10 Trigonometry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| trigonometric ratio | the ratio of two sides of a right angled triangle
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| sine ratio | the ratio of the opposite side to the hypotenuse
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| cosine ratio | the ratio of the adjacent side to the hypotenuse
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| tangent ratio | the ratio of the opposite side to the adjacent side
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| angle of elevation | is the angle of looking up, measured from the horizontal.
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| angle of depression | is the angle of looking down, measured from the horizontal.
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| bearing | an angle measurement used to describe precisely the direction of one location from another.
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| hypotenuse | the longest side of a right angled triangle and is always opposite the right angle.
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| opposite side | the side directly opposite the given angle.
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| adjacent side | the side next to, or an arm of, the given angle.
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| clinometer | an instrument for measuring an angle of elevation or depression
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| three-figure bearings, | angles from 000° to 360° to show the amount of turning measured clockwise from north
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
wdobson
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