Question

differentiate the following y=x+sinx/cos x+x²​

Answer 1

Answer:

1+ $sec^{2}$x + 2x

Step-by-step explanation:

dy/dx = d ( 1+ $tan^{2}$x+ $x^{2}$) /dx

          = x +    $sec^{2}$x + 2x

d( $tan^{2}$x)/dx =  $sec^{2}$x (proved value , you can directly use)