Question

find the value of K so that 5x+Ky=20 makes an angle of 60° witj x-axix​

Answer 1

Step-by-step explanation:

Answer in the attachment

Answer 2

Answer:

Step-by-step explanation:

5x+Ky=20

Differentiate w.r.t x

5+Ky'=0

y'=-5/K

here tan 60°= √3

as we know that √3= y'

-5/K=√3

K=-5/√3