Question: PLEASE HELP!! I need dot product and cross product Problem 1 ( 1 0 points ) . Given the following vectors vec ( v )

PLEASE HELP!! I need dot product and cross product
Problem 1(10 points). Given the following vectors
vec(v)1=coscosthat(x)+sinthat(y)+sincosthat(z)
vec(v)2=cossinthat(x)-costhat(y)+sinsinthat(z)
evaluate vec(v)1*vec(v)2 and vec(v)1vec(v)2.
Be sure to simplify all expressions as much as possible e1.
PLEASE HELP!! I need dot product and cross

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