What is (2tan(u))/(sec^2(u)) ?

The solution to (2tan(u))/(sec^2(u)) is sin(2u)

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simplify (2tan(u))/(sec^2(u))

simplify

\frac{2 tan ( u )}{sec ^{2} ( u )}

sin (2 u)

Solution steps

\frac{2 tan ( u )}{sec ^{2} ( u )}

Express with sin, cos

= 2 cos (u) sin (u)

Rewrite using trig identities

= sin (2 u)

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