You can recover the chat history then you can find out that to whom you have sent the photos. You can download, WhatsApp Photos & Messages Recover for Android phone,
Steps to Recover WhatsApp photos & messages:
1. Run the WhatsApp Recovery tool and connect your phone with PC via USB cable.
2. Click “Start Scan”. The program will scan the device for lost WhatsApp messages.
3. After the scan, click WhatsApp or WhatsApp Attachment to preview the deleted photos & messages before recovery.
4. Mark the photos & messages you want and click “Recover” to save them on your computer.
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