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Home > PC3 > Chapter Ch8 > Lesson 8.3.2 > Problem 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 in the unit circle.


    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?