( cosec theta - sin theta )(sec theta - cos theta)(tan theta + cot theta ) = ?
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Step-by-step explanation:
(Cosecx - Sinx) (Secx - Cosx) (tanx +Cotx)
(1 - Sin²x/Sinx) (1 - Cos²x/Cosx) (tan²x + 1/tanx)
(Cos²x/Sinx) (Sin²x/Cosx) (Sec²x/tanx)
Sinx*Cosx * 1/Cos²x * Cosx/Sinx
= 1
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