Separate fractions.

Rewrite in terms of sines and cosines.

Multiply by the reciprocal of the fraction to divide by .

Write as a fraction with denominator .

Divide by .

Combine and .

Divide by .

Rewrite in terms of sines and cosines.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Convert from to .

Simplify (cos(u)sec(u))/(tan(u))