Angular como verificar um radiobox

<p>
   <input type="radio" value="male" name="gender" [ngModel]="user.gender" > Male
   <input type="radio" value="female" name="gender" [ngModel]="user.gender" > Female
</p>
<p>
   <input type="checkbox" name="tc" [ngModel]="user.isTCAccepted" >
</p> 
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