Trigonometry Examples

Simplify (2cot(x))/(1+cot(x)^2)
Step 1
Apply pythagorean identity.
Step 2
Factor out of .
Step 3
Separate fractions.
Step 4
Rewrite in terms of sines and cosines.
Step 5
Rewrite in terms of sines and cosines.
Step 6
Multiply by the reciprocal of the fraction to divide by .
Step 7
Write as a fraction with denominator .
Step 8
Cancel the common factor of .
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Step 8.1
Cancel the common factor.
Step 8.2
Rewrite the expression.
Step 9
Separate fractions.
Step 10
Rewrite in terms of sines and cosines.
Step 11
Multiply by the reciprocal of the fraction to divide by .
Step 12
Simplify the expression.
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Step 12.1
Multiply by .
Step 12.2
Divide by .
Step 13
Apply the sine double-angle identity.