Question

(ii) cosec 0(1 + cos 0)(coseco-cot 0)= 1​

Answer 1

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Answer 2

Answer:

cosec0(1+cos0)(cosec0-cot0)=1

solve LHS

1/sin0(1+cos0)(i/sin0-cos0/sin0)

1+cos0/sin0*(1/sin0-cos0/sin0)

1+cos0/sin0*1-cos0/sin0

1-cos²0/sin²0    <(a+b)(a-b)=a²-b²>

sin²0/sin²0=1

hence proved

I hope it helps u

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