Cos- -cos-sin- -sin-sin- -sin-cos- -cos-

The correct option is B 0 nbsp;cosα +cosβ/sinα +sinβ+sinα sinβ/cosα cosβ = nbsp; nbsp;cos^2 α nbsp; cos^2 β + sin^2 α sin^2 β/(sinα sinβ) (co ...

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Trigonometric Identities

cosα +cosβ/si...

Question

$\frac{cos α + cos β}{sin α + sin β} + \frac{sin α - sin β}{cos α - cos β} =$

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\sqrt{2}

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