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Solving for angles in the unit circle d
By Melissa A Lampman
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Last updated almost 6 years ago
8 questions
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Note from the author:
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Unit cirle
Question 1
1.
Given the trig ratio ( on the right) determine the quadrants the angles must lie in, then drag to the appropriate box on the right.
cosx=-√2/2
cosx = 1/2
sinx= √3/2
tanx=-1
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
Given the trig ratios ( on the left) drag the ratio to the matching angle.
cosx= -√2/2
sinx=–√2/2
tanx=1
tanx=-1
Question 8
8.
Given the trig ratios ( on the left) drag the ratio to the angles that satisfy the equation
cosx= -√3/2
2cosx= √3
tanx=-√3/3
tanx=√3/3
Quads I and II
Quads I and III
Quads II and III
quads I and IV
Quads II and IV
2cosx=1 , what are the two values for x in degrees? Check two boxes
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4sinx-2=0 , what are the two values for x in degrees? Check two boxes
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2sinx+√3=0 , what are the two values for x in degrees? Check two boxes
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tanx=√3 , what are the two values for x in degrees? Check two boxes
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2-2tanx=4 , what are the two values for x in degrees? Check two boxes
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π/4 and 3π/4
π/4 and 5π/4
3π/4 and 5π/4
5π/4 and 7π/4
3π/4 and 7π/4
π/6 and 5π/6
5π/6 and 7π/6
π/6 and 11π/6
π/6 and 7π/6
5π/6 and 11π/6