Prove the identities: 1) 1 / cos A + sin A + 1 / cos A - sin A
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Step-by-step explanation:
see below. Explanation: Left Side: =1−cosxsinx×1+cosx1+cosx. =1−cos2x sinx(1+cosx). =sin2xsinx(1+cosx). =sinx1+cos ...
see below Explanation: Left Side: =1−cosxsinx×1+cosx1+cosx =1−cos2xsinx(1+cosx) =sin2xsinx(1+cosx) =sinx1+cosx = Right Side
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