Question

sin^2x+tan^2x=?

Срочно ​

Answer 1

$\sin(x) {}^{2} + \tan(x) {}^{2}$

$\tan(x) = \frac{ \sin(x) }{ \cos(x) }$

$\sin(x) {}^{2} + ( \frac{ \sin(x) }{ \cos(x) } ) {}^{2}$

$\sin(x) {}^{2} + \frac{ \sin(x) {}^{2} }{ \tan(x) {}^{2} }$

$\frac{ \cos(x ) {}^{2} \sin(x) {}^{2} + \sin(x) {}^{2} }{ \cos(x) {}^{2} }$