Question

helpppppppp

Answer 1

plz help in trigonometry

Answer 2

I'll try.

Answer 3

prove cos 2pi/15*cos 4pi/15*cos 8pi/15*cos 16 pi/15=1/16

Answer 4

prove cos (2pi/15)*cos (4pi/15)*cos (8pi/15)*cos (16 pi/15)=1/16

Answer 5

I am sorry that I cannot be of assistance to you this evening. I apologize.

Answer 6

:(

Answer 7

chaise???

Answer 8

I am going to see if my friend can log on and help you out!

Answer 9

wow thx a lot

Answer 10

who is ur frnd??

Answer 11

Saifoo.Kahn

Answer 12

call him plzzzzzzzzzzz

Answer 13

Hell NO.

Answer 14

help me

Answer 15

I don't know how to prove it - but it is correct.