or

or

taken

why

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

Don't know (0)
Know (0)
remaining cards (0)
Save
0:01

 Flashcards Matching Hangman Crossword Type In Quiz Test StudyStack Study Table Bug Match Hungry Bug Unscramble Chopped Targets

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

# Triangle Trig

### Triangle Trigonometry formulas and theorems

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))
Created by: saxmank