find min and max value of function 3 cos theta + 5 sin (theta-pi+6) Share with your friends Share 4 Manbar Singh answered this Let y = 3 cos θ + 5 sinθ - π6=3 cos θ + 5sin θ . cosπ6 - cos θ . sinπ6=3 cos θ + 532 sin θ - cos θ2=532 sin θ +12cos θWe know that :maximum value of a sin θ + b cos θ = a2+b2minimum value of a sin θ + b cos θ = -a2+b2Maximum value of 532 sin θ +12cos θ = 754+14 = 19Minimum value of 532 sin θ +12cos θ = -754+14 = -19 14 View Full Answer
