Complete the following questions :
In your own words, what does it mean to solve ? What does it mean using coordinates on a unit circle? Graphically (using cos x) what does it mean?
In your own words, what does it mean to solve ? Why can’t you use the unit circle? How would you solve it using a calculator? Graphically?
Why can’t we have the range of both the inverse sine and inverse cosine be [0,pi]? It certainly would be easier to remember!
In what sense can we say that the inverse sine function “undoes” the sine function? And the sine function “undoes” the inverse sine function? What conditions need to be met?
Are cos1(x) and 1/cos(x) the same thing? Explain.
Explain how to use your calculator to find csc-1(-4). You do not need to calculate it.
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