Question

if 4 Cos A + 3 sin a equal to 5 then what is the value of Cos A​

Answer 1

Step-by-step explanation:

3 sin x + 4 Cos x=5 3/5*sin x + 4/5 cos x =1 Cos 53° * sin x + sin 53° * cos x=1 Sin(53°+x)= Sin (90°) 53° + x = 90° x=37° 4 sin 37° - 3 cos 37°= 4*3/5-3*4/5 =0