Which angles equal 912
A: Angles t & v
B: angles s & u
C: angles u & v
D: angles s & t
Answer:
Option A
Step-by-step explanation:
we know that
tan(A)=sin(A)/cos(A)
Solve for sin(A)
sin(A)=tan(A)cos(A)
we have
tan(A)=\frac{9}{12}
cos(A)=\frac{12}{15}
substitute
sin(A)=\frac{9}{12}(\frac{12}{15})
sin(A)=\frac{9}{15}