Question

Cos3x=1.find the value of x

Answer 1

U THINK U R QUESTION HAD A SMALL MINOR MISTAKE

RIGHT QUESTION IS THIS

HOPE IT HELPED MARK AS BRAINLIEST

Answer 2

Answer:

cos3x=1 - (i)

Also,

cos0°=1 - (ii)

From (i) and (ii), we get,

cos0°=cos3x

= 0°=3x

= x=0°

HOPE IT HELPS!