# Worksheet: Finding Function Values of Quadrantal Angles

Q1:

Find the value of .

Q2:

Two points and lie on the unit circle centered at the origin such that the coordinate of are and .

Which of the following properties of do you need to use to find the coordinates of point .

• AAll three internal angles are equal.
• BAll three sides are equal.
• CThe height of an equilateral triangle is half its median.
• DThe height of an equilateral triangle is also its median.
• EThe height of an equilateral triangle is equal to its side.

Hence, find and .

• A
• B
• C
• D
• E

The line intersects the line at . The triangle is formed by reflecting in the line . What kind of triangle is the triangle ?

• Aequilateral
• Bright
• Cisosceles
• Dscalene

Find .

• A
• B
• C
• D
• E1

Q3:

Find the value of .

• A0
• B1
• C
• DUndefined

Q4:

Find the value of where is the measure of an angle in standard position whose terminal side passes through .

Q5:

Find the value of .

Q6:

Find the value of .