tan A - cot A / sin A cos A = tan² A - cot² A
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tanA/sinAcosA - cotA/sinAcosA = 1/COS^2A -1/SIN^2A.
= SEC^2A - cosec^2A
= 1+tan^2A - 1- cot^2A
= tan^2A - cot^2A
hence proved
write the ans in separate paper to understand it easily
= SEC^2A - cosec^2A
= 1+tan^2A - 1- cot^2A
= tan^2A - cot^2A
hence proved
write the ans in separate paper to understand it easily
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