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Mathematics, 02.02.2020 19:53 kaziyahf2006

Simplify the expression: (cosx-1)/sinx + sinx/(cosx +1) ? ? i got cosx but the answer is zero? ? je ne sais ! btw the question is the top one!

Simplify the expression: (cosx-1)/sinx + sinx/(cosx +1) ? ? i got cosx but the answer is zero? ?

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