### Home > PC3 > Chapter 8 > Lesson 8.3.2 > Problem 8-100

8-100.

For each of the trigonometric functions below, decide if they are even, odd, or neither. Then use the even/odd properties of each function to complete each equation below.

Review your work from parts (d) through (f) of problem 8-89.

An angle measure of

If

, then sine is an even function.

If, then sine is an odd function.

Is the graph of

symmetric across the-axis, or is it symmetric about the origin?

Is the sign of tangent the same in Quadrants I and II or is the sign the same in Quadrants I and III?