Question

if cos A=12/13,then find sin A and tan A(A<90°)​

Answer 1

Answer:

Step-by-step explanation:

CosA = 12/13 = adj/hyp

So opp side = 13^2-12^2

Opp side = √25 = 5

SinA = opp/hyp = 5/13

TanA= opp/adj = 5/12.