Question

Express cos 490 degrees as a trig function of an angle in Quadrant 1.

Answer 1

any pictures or ANSWER CHOICES?

Answer 2

caplocks but you know what I meant

Answer 3

the answer is supposed to becos 490 degrees = -cos 50 degrees or something like that but i dont understand how they got that answer

Answer 4

hmm. I am sorry but neither do I. is this Calc?

Answer 5

yes haha and it's okay

Answer 6

Ah I am only an Algebra 2 student, my apologies.

Answer 7

its okaynoworries

Answer 8

490-360 = ?

Answer 9

I guide you step, so that it sounds no meaning at first. If you want to know, answer me , step by step

Answer 10

why though?

Answer 11

i mean why do you subtract 360 from 490?

Answer 12

just answer. you will know after I get you answer

Answer 13

you get 130..

Answer 14

where 130 is in? quadrant ?

Answer 15

quad 2

Answer 16

right, so that cos 490 cannot be in quadrant 1

Answer 17

yes