Question

Help me Please!!!!!!!!

Answer 1

recall that sec = 1/cos

so whenever cos = 0 this thing is undefined

Answer 2

cos = 0 for odd multiples of pi/2

Answer 3

(2n+1)pi/2

Answer 4

Oh wow thank you) could you also help with the last part pls?

Answer 5

when does r=r?

Answer 6

1?

Answer 7

umm, no

r = 18/sin

r = 6/cos

r = r : 18/sin = 6/cos

18/6 = sin/cos

3 = tan

Answer 8

So i get (0,0.05)?

Answer 9

i think i see it right now

y = r sin = 18

x = r cos = 6

maybe

Answer 10

i was looking for an angle :)

Answer 11

Oh! I got, thank you))