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Home > A2C > Chapter 13 > Lesson 13.1.1 > Problem 13-16
13-16.
If
Graph each function using the input bar below or on your graphing calculator. What do you observe about the
When graphing using the input bar, sin(
sin(θ)
The
-values are negative. cos(θ)
Use the same method as part (a). It might also help to think about how the sin(
) and cos( ) graphs relate to each other. tan(θ)
Use the same method as part (a).
positive
Does taking the reciprocal of something change its sign?