This happens whenever the terminal point of
Meanwhile,
since you already know sine is positive. Cosine is positive when the angle lies in the first or fourth quadrant.
Sine and cosine are both positive only when
Alexa is working two summer jobs, making $22 per hour tutoring and making $13 per hour landscaping. In a given week, she can wor
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This happens whenever the terminal point of
Meanwhile,
since you already know sine is positive. Cosine is positive when the angle lies in the first or fourth quadrant.
Sine and cosine are both positive only when
Step-by-step explanation:
|-x|<1 --> -1<-x<1 --> -1<x<1
so the graph is the striped part
