4.4 Practice

• I

• II

• III

• IV

Which function is positive in quadrant IV?

The reference angle of an angle is always an acute angle.

• True

• False

Let (24, -7) be a point on the terminal side of angle q. Evaluate the csc of q.

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Answer explanation

Remember: All Snakes Tickle Cats!

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Answer explanation

Remember: All Snakes Tickle Cats!

Find the exact value of cos(θ) if θ is in standard position and P (8, -15) is on the terminal side. (Hint: draw a picture!)

• -17/15

• 17/8

• -15/17

• 8/17

Find the exact value of cot(θ) if θ is in standard position and P (8, -15) is on the terminal side. (Hint: draw a picture!)

• -8/15

• -15/8

• -15/17

• 8/17

Find the exact value of sin(θ) if θ is in standard position and P (-3, -5) is on the terminal side. (Hint: draw a picture!)

Find the exact value of sec(θ) if θ is in standard position and P (-3, -5) is on the terminal side. (Hint: draw a picture!)