write the value of cot^2Q-1/sin^2 Q
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abhi5863:
-1.?
cosv2x-1=-(1-cosv2) =-sinv2x
ι ∂σи'т υи∂єяѕтαи∂
ρℓzz gινє мє ιи иσтє ρι¢
ѕσℓє ιт ¢ℓєαяℓу
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