trig

Set up the problem so that you can solve for X.

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

What is the reference angle for 125°?

• 235°

• 125°

• 75°

• 55°

What is the reference angle for -30°?

• 150°

• 30°

• 80°

• 60°

What is the reference angle for -310⁰?

• 50⁰

• -50⁰

• 20⁰

• 40⁰

What is the reference angle for 275°?

• 85°

• 95°

• -85°

• -95°

Find a coterminal angle to 45 degrees.

• 360
• 405
• 315
• 295

Which quadrant is -570⁰

• I
• II
• III
• IV

What is the reference angle for 30 degrees?

• 70 degrees
• 30 degrees
• 150 degrees
• 330 degrees

What is the reference angle for 240 degrees?

• 60 degrees
• 30 degrees
• 45 degrees
• 210 degrees

What is the sin(120)?

• -1/2

• 1/2

• -root(3)/2

• root(3)/2