Question

HELP PLS will give brainliest-

please provide how to do it aswell

Answer 1

Answer:

I'm not exactly sure yet but i believe the 3rd choice is best!

Comment!

(Soon i will give reasoning and answer or change it unless i am right)

Tell me stuff in comments i'll see what i can do.

Step-by-step explanation:

Hope i helped!

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Answer 2

Answer: D

Step-by-step explanation:

You just have to test pi/6

$\dfrac{30}{cos(6*\dfrac{Pi}{6})} =\dfrac{30}{cos(\Pi)} =-30$