when simplied cosecA (1-cosA) (cosecA+cotA)
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Step-by-step explanation:
(cosec + cotan)(cos + 1) =
(1/sin + cos/sin)(cos + 1) = <--- cosec is the reciprocal of sin; cotan is reciprocal of tan
(1+cos)/sin * (cos +1)/1 = <--- combines into one fraction
(cos+1)^2 / sin <---- multiplies the fractions
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