Complete the proof of the identity by choosing the Rule that justifies each step. COS X s²x (1+ + tan2x) = 1 To see a detailed description of a Rule, select the More Information Button to the right of the Rule. Statement an2x) cos’x (1 + tan s²x (sec²x) = COS 2 = COS X = 1 Rule Rule? Rule? COS X Rule?

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A: Step 1: Step 2: Step 3: Step 4:

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A: If you have any problem let me know here in comment box for this thankyou for your question.

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A: Referenceshttps://en.wikipedia.org/wiki/Linear_regression

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