choose rule according to identity O TRIGONOMETRIC IDENTITIES AND EQUATIONSProving trigonometric identities using double-angle propertiesProve the identity.sec²x-2 tan?x|cos 2x21+tanxNote that each Statement must be based on a Rule chosen from the Rule menu. To see a detailed description of a Rule, select the More Information Button tothe right of the Rule.StatementRulesec'x- 2 tanxOcosOsin Otan1 + tan"x|cotOsecSelect Ruleロ/口JTValidate O TRIGONOMETRIC IDENTITIES AND EQUATIONSProving trigonometric identities using double-angle propertiesProve the identity.sec'x-2 tanxcos 2x1+tan xNote that each Statement must be based on athe right of the Rule.Select the RuleO AlgebraStatementO Reciprocalsecx- 2 tan"xO Quotient1 + tanxO PythagoreanO Odd/EvenValidateO Double-angleSum and Difference身

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O TRIGONOMETRIC IDENTITIES AND EQUATIONS Proving trigonometric identities using double-angle properties Prove the identity. sec'x-2 tan?, 1+tanx = cos 2x Note that each Statement must be based on a Rule chosen from the Rule menu. To see a detailed description of a Rule, select the More Information Buttc the right of the Rule. Statement Rule sec 2 tanx Otan D 1+ tanx O cotO Osec Select Rule JT (口) ロ回 Validate