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
cos x = -1
The solutions are
, where
n
is any integer.
cos x = 1
The solutions are
, where
n
is any integer.
cos x = 0
The solutions are
, where
n
is any integer.
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