1. cot sec θ θ 2. θ θ cot csc 3. θθ ∙ θθ θθ 4. θ − θ 2 2 cos 1 cos 5. cos tan θ θ 6. θ θ csc sec 7. 2θθ − 2θθ2θθ 8. θ θ ( + ) 2 cos 1 tan Verify the trig identity 9. θθ θθ θθ = θθ 10. θθ + θθ 22θθ = θθ 11. θθ θθ + θθ θθ = 11 12. 22θθ− θθ θθ = θθ − θθ

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a. m. if he arrives at the gate at 11: 45 p. m., can he board the flight?

Match each equation with the operation you can use to solve for the variable. 1 subtract 10 2 divide by 10 3add 18 4add 10 5 subtact 18 6multiply by 5. 7multiply by 10. a 5 = 10p b p + 10 = 18 c p + 18 = 5 d 5p = 10

Which best explains why this triangle is or is not a right triangle?