If-y-tan-Find-y-

Question Number 203169 by hardmath last updated on 11/Jan/24

If y = \tan

Find y^{^{'}} = ?

Answered by a.lgnaoui last updated on 11/Jan/24

y^{'} = \frac{\cos^{2} + \sin^{2}}{\cos^{2}} = \frac{1}{\cos^{2}} = 1 + \tan^{2}

donc y^{'} = 1 + y^{2}