The angle between the vectors 
= -2 
+ 3 
and 
= 4 
- 5 
is approximately
Definitions:
Calculation
Calculation involves the process of using mathematical operations to determine an answer or solve a problem.
Sensorimotor Development
The stage of development where infants and young children use their senses and motor abilities to explore and understand the world around them.
Terrible Twos
A developmental phase in toddlers, marked by mood swings, temper tantrums, and oppositional behavior, typically occurring around the age of two.
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