Question

The period of cos 5 is *

²

2

2/5

/3

​

Answer 1

Answer:

the answers will be 2/5

Answer 2

The period of cos 5x is 2Π/5

• By the property of trignometric function, period of cos x = 2Π

• For cos kx, period will be 2Π/k

• So for cos 5x,period will be 2Π/5

• Period of sin x function is also 2Π

• Period of tan x and cot x function is Π

• Period of sec x and cosec x is 2Π