locked out of iphone

You will have to erase the phone and no, you can't use iPad to reset it. You will need to restore the device using a computer. The process will erase the device. Later you can restore your data from a recent back-up. Instructions here…

If you forgot your iPhone passcode - Apple Support

how can i unlock it or reset it with my ipad

Is not possible.

To unlock your iPhone, follow the steps described in the Apple article:

(< iOS 15.2) ->: If you forgot your iPhone passcode

If you forgot your iPhone passcode - Apple Support

(iOS 15.2 and newer) -> If you see an iPhone or iPad unavailable message or Security Lockout screen

If you see an iPhone or iPad unavailable message or Security Lockout screen - Apple Support

It’s too late for that. You need to reset your iPhone, then restore your data from your most recent backup.

You can't use an iPad to reset your iPhone.