Question

If cosecC=15/17,then find cosC ​

Answer 1

Answer:

CosecC = 15/7 = Hypotenuse/Oppostite side

Therefore.m in a triangle ABC,

Let AB = 17 (Height), AC = 15 (Hypotenuse)

So, BC = Root of 15^2-17^2

= Root of 225-289

= Root 64

= 8

CosC = Adjacent side/Hypotenuse

= BC/AC

= 8/15