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# Sine Cancellation Laws

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Using Cancellation Laws and other methods solve the following problems:

1) arcsin(1)
2) sin(arcsin(1/3))

##### Solution Summary

Cancellation laws are used to solve sine expressions. The methods used in trigonometry are solved.

##### Solution Preview

Cancellation Laws state:

1) sin(arcsin(x)) = x for all x = [-1,1]
2) arcsin(sin(x)) = ...

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