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Trigonometry Examples
Popular Problems
Trigonometry
Solve for ? tan(2x)-2cos(x)=0
Step 1
Simplify .
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Step 1.1
Rewrite in
terms
of
sines
and
cosines
.
Step 1.2
Convert from to .
Step 2
Graph
each side of the
equation
. The
solution
is the x-value of the
point
of
intersection
.
Step 3
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