Triangle Trigonometry formulas and theorems
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| sine of an angle in a right triangle | opposite / hypotenuse
🗑
|
||||
| cosine of an angle in a right triangle | adjacent / hypotenuse
🗑
|
||||
| tangent of an angle in a right triangle | opposite / adjacent
🗑
|
||||
| To convert degrees to radians multiply by ___ | pi / 180
🗑
|
||||
| To convert radians to degrees multiple by ___ | 180 / pi
🗑
|
||||
| Length of a circular arc | radius * central angle
🗑
|
||||
| Area of a circular sector | A = (1/2)r^2*central angle
🗑
|
||||
| csc of an angle in a right triangle | hypotenuse / opposite
🗑
|
||||
| sec of an angle in a right triangle | hypotenuse / adjacent
🗑
|
||||
| cot of an angle in a right triangle | adjacent / opposite
🗑
|
||||
| Area of a non right triangle | (1/2)a*b*sinC
🗑
|
||||
| The Law of Sines | (sin A)/a = (sin B)/b = (sin C)/c
🗑
|
||||
| The Ambiguous Case | SSA
🗑
|
||||
| The Law of Cosines (side length a) | a^2 = b^2 + c^2 - 2bc cos A
🗑
|
||||
| The Law of Cosines (Angle A) | Cos A = (b^2 + c^2 - a^2) / (2bc)
🗑
|
||||
| Heron's Formula for area of a triangle | square root (s(s-a)(s-b)(s-c))
🗑
|
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
saxmank
Popular Math sets