Problem #3 [2] A 16 B In right triangle ABC shown below, what is the value of cos A? 12 En el triángulo rectángulo ABC que se muestra a continuación, ¿cuál es el valor del cos A? 20 O​

the answer is b.)

< 1=< 2

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72