Elective Mathematics

Question 1

1The value of cos 90° is ___

Easy

Your answer (fill in the blank)

Question 2

2sec θ =

Easy

A. 1/tan θ B. 1/cos θ C. cos θ D. 1/sin θ

Question 3

3sin 30° = cos 60°.

Easy

A. True B. False

Question 4

4sin 30° =

Easy

A. 1/2 B. 1 C. √3/2 D. 1/√2

Question 5

5The value of sin 90° is ___

Easy

Your answer (fill in the blank)

Question 6

6In which quadrants is sin θ positive?

Easy

A. second and third B. first and second C. third and fourth D. first and fourth

Question 7

7sin(−θ) = −sin θ.

Medium

A. True B. False

Question 8

8tan 45° =

Easy

A. 1/2 B. √3 C. 1 D. 0

Question 9

9If sin θ = 5/13 and θ is acute, find tan θ.

Medium

A. 5/12 B. 5/13 C. 12/5 D. 12/13

Question 10

10The value of tan 45° is ___

Easy

Your answer (fill in the blank)