Question

if tan A= 5/12 then find cos A​

Answer 1

Answer:

12/5

Step-by-step explanation:

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Answer 2

Answer:

12/13

Step-by-step explanation:

A)wkt, tanx = perpendicular(p)/base(b) .....(1)

B)We are given tanx=5/12 .....(2)

C)On comparing the quantities we get that p=5 and b=12

D)We require the value of hypotenuse(h),

for this we apply the Pythagoras theorum i.e,

⇒

⇒h2=25+144

⇒h2=169

h=√169

⇒ h=13

..............................................................................................................

cosx = base/hypotenuse=b/h = **12/13* .... *(Answer)