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
, then sine is an even function.
, 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?