Question

Plzzzzzzzz helpe out​

Answer 1

Sorry i don't understand

Answer 2

`(cos-sin^(2)+1 )/(sin(1+cos))\\\\=(cos - sin^(2)+sin^(2)+cos^(2) )/(sin(1+cos))\\\\=(cos+cos^(2) )/(sin(1+cos))\\\\=(cos(1+cos))/(sin(1+cos))\\\\=(cos)/(sin)\\\\=cot`

( 1 = sin² + cos²)

Explanation: