SOLUTION: Use a graphing calculator to solve the equation -3 cos t = 1 in the interval from 0 to 2p. Round to the nearest hundredth.
Algebra ->
Trigonometry-basics
-> SOLUTION: Use a graphing calculator to solve the equation -3 cos t = 1 in the interval from 0 to 2p. Round to the nearest hundredth.
Log On
Question 870355: Use a graphing calculator to solve the equation -3 cos t = 1 in the interval from 0 to 2p. Round to the nearest hundredth. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Use a graphing calculator to solve the equation -3 cos t = 1 in the interval from 0 to 2pi.
----------------
cos(t) = -1/3
------
arccos(-1/3) = 1.91 radians or -1.91 radians
-------------------------
Cheers,
Stan H.
------------------