Question

Answer the 4 th question

Answer 1

Answer:

-√2

Step-by-step explanation:

Given,

$\sec( \frac{11\pi}{4} )$

$= \sec(2\pi + \frac{3\pi}{4} )$

$= \sec( \frac{3\pi}{4} )$

as, sec(2π+θ)=sec(θ)

$= - \sqrt{2}$

Answer 2

Answer is - root 2

Hope it helps you ☺️