What is the simplified value of (sec A + cos A)(sec A â€“ cos A)? – McqOptions

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1.	What is the simplified value of (sec A + cos A)(sec A â€“ cos A)?
A.	2Â tan2A
B.	2Â sin2Â A
C.	sin2Â AÂ tan2Â A
D.	sin2AÂ +Â tan2Â A
Answer» E.

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