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- Multiple ChoicePlease save your changes before editing any questions.
Find the reference angle for an angle measuring -300⁰
60⁰
-60⁰
30⁰
45⁰
- Multiple ChoicePlease save your changes before editing any questions.What is the reference angle for 240 degrees?60 degrees30 degrees45 degrees210 degrees
- Multiple ChoicePlease save your changes before editing any questions.Find a coterminal angle to -180 degrees.18090270360
- Multiple ChoicePlease save your changes before editing any questions.Find a coterminal angle to 45 degrees.360405315295
- Multiple ChoicePlease save your changes before editing any questions.
Find a coterminal angle to 200 degrees.
-520
-200
160
-380
- Multiple ChoicePlease save your changes before editing any questions.Which quadrant is -570⁰IIIIIIIV
- Multiple ChoicePlease save your changes before editing any questions.What is the degree equivalent to -135o225o215o235o45o
- Multiple ChoicePlease save your changes before editing any questions.
Formula [Reference angle = Actual angle - 180] is for
quadrant 1
quadrant 2
quadrant 3
quadrant 4
- Multiple ChoicePlease save your changes before editing any questions.What is the reference angle for 30 degrees?70 degrees30 degrees150 degrees330 degrees
- Multiple ChoicePlease save your changes before editing any questions.What is the reference angle for -30 degrees?150 degrees30 degrees80 degrees60 degrees
- Multiple ChoicePlease save your changes before editing any questions.What is the reference angle for 240 degrees?60 degrees30 degrees45 degrees210 degrees
- Multiple ChoicePlease save your changes before editing any questions.
What is the sin(120)?
-1/2
1/2
-root(3)/2
root(3)/2
- Multiple ChoicePlease save your changes before editing any questions.
What is the cos(585)?
1/2
root(2)/2
-root(2)/2
-root(3)/2
- Multiple ChoicePlease save your changes before editing any questions.
What is sin(-660)?
root(3)/2
1/2
-1/2
1
- Multiple ChoicePlease save your changes before editing any questions.
What is cos(810)?
1/2
1
0
-1
- Multiple ChoicePlease save your changes before editing any questions.
What is sin(300)?
1/2
-1/2
root(3)/2
-root(3)/2