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Find the exact value of each expression. See Example 1.
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- An identity is a Statement that two expressions are for all replacements of the variable for which each expression is.arrow_forwardSimplify each of the following. tan22.51tan222.5arrow_forwardTo prove that an equation is not an identity, find a value of the variable for which each expression is, but which makes the statement. This value is called a.arrow_forward
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