Answer:
1. c/a
2. b/a
Step-by-step explanation:
First we need to know what is sin and tan
sin(): opposite/hypotenuse
tan(): opposite/adjacent
The first question
Sin(B)=b/a
tan(C)=c/b
The product:
=b/a*c/b
=c/a
For the second question
sin(C)=c/a
tan(B)=b/c
The product:
=c/a*b/c
=b/a
