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gayaneshka [121]
3 years ago
8

What is the reference angle for 7pi/6

Mathematics
2 answers:
aksik [14]3 years ago
8 0

Answer:

A.) ⁷ᵖⁱ⁄₆ & ⁻³⁄₂

Step-by-step explanation:

E2020

7pi/6 & -3/2

DanielleElmas [232]3 years ago
3 0
The reference angle is a positive acute angle. Angle 7π/6 in radians= = 7*180°/6 = 210°  ( because π rad=180°).
This angle is in the 3rd Quadrant and formula for the reference angle is:
x-180°.
210°-180°=30°
Answer: The reference angle for 7π/6 is 30°. 
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The vertices of ΔABC are A(−3,4)​, B(−2,4)​, and C(−5,2). If ΔABC is reflected across the line y=−2 to produce the image Δ​A'B'C
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The coordinates of vertex B' is P'(x,y) = (-2, -8).

<h3>How to calculate the coordinate of point by reflection</h3>

A point if reflected across the line y = -2 by means of the following formula:

P'(x,y) = P(x,y)+2\cdot [(x_{P}, -2)-P(x,y)] (1)

Where:

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If we know that P(x,y) = (-2,4) and x_{P} = -2, then the coordinates of the vertex is:

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The coordinates of vertex B' is P'(x,y) = (-2, -8). \blacksquare

To learn more on reflections, we kindly invite to check this verified question: brainly.com/question/1878272

3 0
2 years ago
ANSWER NOW HURRY
Annette [7]
The answer is C because it’s twice as long
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