- #1
wrekoniz3
- 1
- 0
Homework Statement
a right triangle. hypotenuse is 10, the opposite is 8, and the adjacent is 6
Sine .6
Cosine .8
Tangent .75
i need to find angle A (aka Alpha in the problem) With out using a graphing or scientific calculator.
Homework Equations
i was told to use Gregory;s formula:
http://crazyimage.net/images/untitled.png
the numbers for the problem are plugged in. I am really lost with the whole thing. lol
The Attempt at a Solution
On the ti-83 i do the inverse sine button .6 and i get the answer which is 36.9 degrees.
if the calculator can do it that easy there has to be an easier way to do this...
thanks in advance!
i have a test on this on wednesday :(
-Dom
Last edited by a moderator: