## Math Problem Statement

If A=i cap+2j cap +3k cap, b = -icap +jcap +4kcap, c=3icap-3jcap-12kcap then find thw angle between vectors a+b+c and cross product of a, b in degrees

## Solution

## Math Problem Analysis

### Mathematical Concepts

Vectors

Cross Product

Dot Product

Orthogonality

### Formulas

Cross product formula

Dot product formula

Angle between vectors formula

### Theorems

Properties of dot product and cross product

### Suitable Grade Level

Advanced High School

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