Solving for angles in the unit circle d

Last updated over 5 years ago
8 questions
Note from the author:
Unit cirle
4

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
  • Quads I and II
  • Quads I and III
  • Quads II and III
  • quads I and IV
  • Quads II and IV
2

2cosx=1 , what are the two values for x in degrees? Check two boxes

2

4sinx-2=0 , what are the two values for x in degrees? Check two boxes

2

2sinx+√3=0 , what are the two values for x in degrees? Check two boxes

2

tanx=√3 , what are the two values for x in degrees? Check two boxes

2

2-2tanx=4 , what are the two values for x in degrees? Check two boxes

4

Given the trig ratios ( on the left) drag the ratio to the matching angle.

  • cosx= -√2/2
  • sinx=–√2/2
  • tanx=1
  • tanx=-1
  • 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
4

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
  • 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