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Find the reference angle θ' and sketch θ and θ' in standard position.

0 votes

Find the reference angle θ' and sketch θ and θ' in standard position.

θ = 2π/3

asked Jan 8, 2015 in TRIGONOMETRY by anonymous
reshown Jan 8, 2015 by yamin_math

1 Answer

0 votes

Step 1:

The standard angle is .

Reference angle:

 If be an angle in standard position, its reference angle is the acute angle image formed by the terminal side of , and the horizontal axis.

if in second quadrant then image.

image

image.

Graphing the standard angle and reference angle:

The standard angle is measured in counter clock wise direction.

The reference angle is measured in counter clock wise direction the measurement is positive.

 

Solution:

The reference angle image

answered Jan 13, 2015 by Sammi Mentor

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