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Algebra
Question

Complete the proof of the identity by choosing the...

Complete the proof of the identity by choosing the Rule that justifies each step. 

\( ( \sec ^ { 2 } x - 1 ) \cos x = \sin ^ { 2 } x \sec x\) 

To see a detailed description of a Rule, select the More Information Button to the right of the Rule. 

Answer

Solution
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