If x cosѲ = y cos (Ѳ +2π/3 ) = z cos(Ѳ+ 4π/3) , then show that xy + yz + zx = 0.
If x cosѲ = y cos (Ѳ +2π/3 ) = z cos(Ѳ+ 4π/3) , then show that xy + yz + zx = 0.
" prasad is better than many other students in the college" Change degree of comparison
40. Draw a time – distance graph with suitable scales. Time( in hrs) 8 am 9 am 10am 11 am 12 noon Distance travelled by a car( in km ) 30 60 90 120 150 From the Graph find the time when the car had covered a distance of 105 km since it’s start.