If a = 9, b = 12, and c = 15, express cos A as a fraction in lowest terms.
A) $\frac { 4 } { 5 }$
B) $\frac { 3 } { 5 }$
C) $\frac { 5 } { 4 }$
D) $\frac { 3 } { 4 }$

Question

If a = 9, b = 12, and c = 15, express cos A as a fraction in lowest terms.  
A) $\frac { 4 } { 5 }$ 
B) $\frac { 3 } { 5 }$ 
C) $\frac { 5 } { 4 }$ 
D) $\frac { 3 } { 4 }$

Quizplus · Accepted Answer

The Answer of If a = 9, b = 12, and c = 15, express cos A as a fraction in lowest terms.  
A) $\frac { 4 } { 5 }$ 
B) $\frac { 3 } { 5 }$ 
C) $\frac { 5 } { 4 }$ 
D) $\frac { 3 } { 4 }$

If a = 9, B = 12, and C = 45\frac { 4 } { 5 }54​

If a = 9, B = 12, and C = $\frac { 4 } { 5 }$