Terminal Arm Trigonometry Quiz

A point lies on the terminal arm of an angle in standard position at (6, 8). What is sin(θ)?

• 3/5

• 4/5

• 5/13

• 8/10

A point on the terminal arm of angle θ is (–5, 12). In which quadrant does the angle lie?

• I

• II

• III

• IV

The terminal arm passes through (–7, –24). What is cos(θ)?

• 7/25

• −7/25

• 24/25

• −24/25

A point (9, –40) lies on the terminal arm of angle θ. What is tan(θ)?

• −40/9

• 40/9

• 9/40

• −9/40

The terminal arm of an angle θ passes through (–8, –15). What is sin(θ)?

• −8/17

• 8/17

• −15/17

• 15/17