Does the instantaneous acceleration is tangential acceleration as well ???

Kindly refer to the links given below to know about instantaneous acceleration and  tangential acceleration : 
https://www.meritnation.com/ask-answer/question/definr-average-and-instantaneous-acceleration-in-linear-moti/motion-in-a-straight-line/8047529

https://www.meritnation.com/ask-answer/question/can-we-say-that-tangential-acceleration-is-same-as-linear-ac/motion-in-a-plane/7952551