Answer:
and 
Step-by-step explanation:
sinB =
=
= 
tanC =
=
= 
Thus
sinB tanC =
×
( cancel b on numerator/ denominator )
= 
---------------------------------------------------------------------------
sinC =
=
= 
tanB =
=
= 
Thus
sinC tanB =
×
( cancel c on numerator/ denominator )
= 
Answer:
6(x-3)
Step-by-step explanation:
the common number for 6 and 18 is 6 so if you extract that from the expression then it turns to 6(x-3) which cannot be factored further
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