Question

if cosA 12/13 then secA and cosA​

Answer 1

Step-by-step explanation:

in cosA: base and hypotenous is 12 ans 13 respectively .by applying the pythagorus theorem perpendicular will be 5 .we habe secA = 1/ cosA =1/12/13 = 13/12. cosA is 12/13 which is given