Question

Express each value as a trigonometric function of an angle in Quadrant 1..

Answer 1

A.) cos 892°

B.) csc 495°

Answer 2

@jim_thompson5910

Answer 3

Subtract 360º until it lands in [0º,360º)

Answer 4

i dont understand... could you explain a little more

Answer 5

is 892 between 0 and 360?

Answer 6

no it is not..

Answer 7

so you subtract 360 from the given angle and ask the same question

Answer 8

892-360 = 532

Answer 9

okay so you can subtract it twice and then you get 172!!

Answer 10

892 and 532 are called coterminal angles

they point in the same exact direction

http://hotmath.com/hotmath_help/topics/coterminal-angles.html

Answer 11

yep do so again to get 532-360 = 172 and you land between 0 and 360

Answer 12

okay so what next

Answer 13

where is 172 degrees? which quadrant?

Answer 14

its in the 2 quadrant right?

Answer 15

@jim_thompson5910

Answer 16

yes

Answer 17

draw a perpendicular line to the x axis to form a right triangle