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Agastya
Questions (1)
Prove that [sinA/(1-cosA)-(1-cosA)/sinA]*[cosA/(1+sinA)+(1+sinA)/cosA]=4cosecA
I the second part as 2 secA
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Answers (1)
I'm pretty sure that you meant (1/2)^4 =(1/2)(1/2)(1/2)(1/2) =1/(2*2*2*2) OR 1/16.
