Question

Number of solution of cos x = 1 - x/5

Answer 1

Answer:

X 1 0 Ñ Ñ Ñ Ñ Ñ Solution cos x = 1/4 1 - cos ? x - cos x = 1/4 4 cos ? x + 4 ... x = 1/3 , 57/3 as 0 < x < 21 so number of solutions 2 . sin 2x = cos 3x 介 ...