Unit 1 Test

What is ½ of sin(θ) when θ = 90°?

½

¼

What is ⅓ of cos(θ) when θ = 90°?

0
1
½
π

What is 9 + 10?

21
19
69
420

If Chad has 7.8*10^36 apples and gives 4.3*10^24 of them away, how many apples does Chad have now?
Make sure to show your work and explain how you arrived at your answer.