Question

find all solutions cos 0= 1/sec0

Answer 1

All real numbers.

Because cos theta is ALWAYS equal to 1/sec(theta)

Answer 2

wrong!

Answer 3

all angles except 0 and 2pi

Answer 4

ooo ok thanks but like its says in the book all but why does it say except
0 = pie/2 + pien

Answer 5

i mean pi/2+ pin

Answer 6

otherwise you would get an undefined on the right side beacuse 1/0 is not defined if thetha is 0

Answer 7

wait for a moment till i verify

Answer 8

yes the answer which you told me is correct for the reason which i told you

Answer 9

ooo ok thanks you so much and like what if theres