Cs1002 ecpected error how i fix this

using UnityEngine;

public class player : MonoBehaviour
{
    public float sensX;
    public float sensY;

    public transform orientation;
     float xrotation;
     float yrotation;

     private void start()
     {
        Cursor.lockstate = CursorLockmode.locked;
        cursor.visible = false

     }
     private void update()
     {
        // get them mousex input
        float mouseX = input.GetAxisRaw{"Mouse X"} * Time.deltatime * sensX;
        float mouseY = input.GetAxisRaw{"Mouse Y"} * Time.deltatime * sensY;

        yrotation += mouseX;
        xrotation -= mouseY;

     }
}

Use Visual Studio

It visually lists all the errors automagically for you.

using UnityEngine;

public class player : MonoBehaviour
{
    public float sensX;
    public float sensY;

    public Transform orientation;
    float xrotation;
    float yrotation;

    void Start ()
    {
        Cursor.lockState = CursorLockMode.Locked;
        Cursor.visible = false;
    }
    void Update ()
    {
        // get them mousex input
        float mouseX = Input.GetAxisRaw("Mouse X") * Time.deltaTime * sensX;
        float mouseY = Input.GetAxisRaw("Mouse Y") * Time.deltaTime * sensY;

        yrotation += mouseX;
        xrotation -= mouseY;
    }
}

i use visual studio but my does not show nay problem