To be anxious is somehow quite common. however to combat anxiety, it is highly recommended to recite Salawat upon the Holy prophet Mohamed saw and his pristine pure family.
You also need to find out the root cause of this anxious feeling or being nervous infront of people. what is the cause? why is there nervousness?
Meditation also helps one to combat this anxiety. 10 minutes before your wajib salaat, just be mindful and meditate, feel your breath, and you will see the difference.