Trigonometry Examples

Simplify 2cos(x)(3-7tan(x))
Step 1
Simplify each term.
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Step 1.1
Rewrite in terms of sines and cosines.
Step 1.2
Combine and .
Step 1.3
Move the negative in front of the fraction.
Step 2
Simplify terms.
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Step 2.1
Apply the distributive property.
Step 2.2
Multiply by .
Step 2.3
Cancel the common factor of .
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Step 2.3.1
Move the leading negative in into the numerator.
Step 2.3.2
Factor out of .
Step 2.3.3
Cancel the common factor.
Step 2.3.4
Rewrite the expression.
Step 2.4
Multiply by .