Question

watch the video and then solve the problem given below. click here to watch the video. find the reference angle of the given angle. - 345° the reference angle for - 345° is °.

Explanation:

Step1: Make the angle positive

Add 360° to - 345°.
$-345^{\circ}+360^{\circ}=15^{\circ}$

Step2: Determine the reference angle

Since 15° is in the first - quadrant, the reference angle of an angle in the first - quadrant is the angle itself.
The reference angle is 15°.

Answer:

15