Trigonometry Trigonometric Equations Simple Trigonometric Equations
Solving Equation cosx = c
   Concepts 1

Statement 
.
The solutions to the equation cos x = c, where , are all the numbers
where n is any integer.
Example. Solve cos x = 0.5.
Solution: Since the solutions are all the numbers
    or  , where n is any integer.  
Special Cases
  1. cos x = -1
    The solutions are , where n is any integer.
  2. cos x = 1
    The solutions are , where n is any integer.
  3. cos x = 0
    The solutions are , where n is any integer.


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