Simplify .
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Simplify .
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Simplify .
Simplify .
Simplify .
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Simplify.
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Simplify.
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Simplify .
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Simplify completely
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Simplify.
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Simplify.
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Simplify
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Simplify .
Simplify .
Simplify .
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Simplify .
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and .
Find the value of .
.................................................
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Find the value of .
= ...................................................
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Simplify .
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Given that
find the value of
= ................................................
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