Trigonometry Examples

Solve by Graphing tan(x)sin(x)=3sin(x)
Step 1
Simplify .
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Step 1.1
Rewrite in terms of sines and cosines.
Step 1.2
Multiply .
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Step 1.2.1
Combine and .
Step 1.2.2
Raise to the power of .
Step 1.2.3
Raise to the power of .
Step 1.2.4
Use the power rule to combine exponents.
Step 1.2.5
Add and .
Step 1.3
Factor out of .
Step 1.4
Separate fractions.
Step 1.5
Convert from to .
Step 1.6
Divide by .
Step 2
Graph each side of the equation. The solution is the x-value of the point of intersection.
, for any integer
Step 3