6. What is the value of sin 45 degree?
7. It is an acute angle formed by the eye level (horizontal line) and the line of sight when an observer looks at an object that is located at a lower level.
a. Angle of elevation
b. Angke of depression
c. Inclination
d. Reference angle
8. What is the value of sec 60 degrees?
9. It is an acute angle formed by the eye level (horizontal line) and the line of sight when the observer looks at an object that is located higher than him.
a. Angle of depression
b. Angle of elevation
c. Inclination
d. Reference angle
10. SOH-CAH-TOA is the mnemonic used in solving the solutions of______using the trigonometric functions.
a. Obtuse triangle
b. Acute triangle
c. Right triangle
d. All of the above

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