SOLUTION: A graphing calculator is recommended. Find all solutions of the equation that lie in the interval [0, 𝜋]. State each answer rounded to two decimal places. (Enter your answers

Algebra ->  Trigonometry-basics -> SOLUTION: A graphing calculator is recommended. Find all solutions of the equation that lie in the interval [0, 𝜋]. State each answer rounded to two decimal places. (Enter your answers      Log On


   

Question 1170868: A graphing calculator is recommended.
Find all solutions of the equation that lie in the interval [0, 𝜋]. State each answer rounded to two decimal places. (Enter your answers as a comma-separated list.)
cos(x) = 0.7
x =
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

cos%28x%29+=+0.7
x+=cos%5E-1%280.7%29+
x+=0.795399...(result in radians)
x+=45.57° in the interval [0, pi]