What is (sin(2x))/(cos(x)) ?

The solution to (sin(2x))/(cos(x)) is 2sin(x)

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simplify (sin(2x))/(cos(x))

simplify

\frac{sin ( 2 x )}{cos ( x )}

2 sin (x)

Solution steps

\frac{sin ( 2 x )}{cos ( x )}

Rewrite using trig identities

= 2 sin (x)

(x + 7) (x^{2} - 7 x + 49) + (x^{2} + 7 x + 49) (x - 7)

4 sin (x) cos (x)

\frac{( 1 + 3 i ) ^{8} ( 3 - i ) ^{6}}{( - 1 + i ) ^{4}}

cot^{2} (x) - csc^{2} (x)

(0.8)^{2} - 0.25