1. With respect to an angle, what is the ratio of the opposite side to the hypotenuse
A. sine
B. Cosine
C. tangent
D. cosecant
2. Which of the following is a special angle?
A. 10°-20°-150°
B. 30°-60°-90°
D. 50°-50°-80
C. 35-55°-90°
3. What is the value of cos 60°?
A.
I
1
D. 1
4
В.
C.
4. What is the value of x, if sec x = 2?
A.30°
B. 45°
C. 60°
D. 90
5. Find the exact value of sec 60° + sin 30°
A. 14
B. 21
C.1
D.2​