Question

Minimum value of sec in (2pi/3,pi)

Answer 1

Answer:

-2

Step-by-step explanation:

[2π/3, π] lies in 2nd quadrant

in this quadrant all values of sec are negative

from min value to max value as angle increases

therefore min value of sec in given interval

is at 2π/3

=> sec 2π/3 = -2

Answer 2

Answer:

-2

Step-by-step explanation:

the correct answer is -2.