Question

or this special angle, draw the angle and find the reference angle: .

2m t=

	and the reference angle is .
	and the reference angle is $pcalunit_014.gif$.
	and the reference angle is $pcalunit_013.gif$.
	and the reference angle is .

Answer 1

Relerana angle To calalate tha refranca ngle. angle e /such as oSB< 90 Yeferena qngle we qnglo θ Puch as go<θ<130 reference angle 180-9 91 angle θ puch.an 180c4<270 raferende angle 6-180 Y ande e ouch as 270£8 <360 Yeferena2qn9la 360-9 sp thon referenc angle 18。 angle 2x given 3