tan0/1-cot0 +cot0/1-tan0=1+sec0cosec0
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Here is your answer....
Tan0/1-cos0+cot0/1_tan0
=sin0/cos0 / 1- cos0/sin0 + cos0/sin0 / 1- sin0/cos0
=sin0/cos0 / sin0-cos0/sin0 + cos0/sin0 / cos0-sin0/cos0
=sin^2 0 / cos0(sin0-cos0) - cos^20 / sin0(sin0-cos0)
=sin^3 0-cos^3 0 / sin0cos0(sin0-cos0)
=(1-sin0cos0) / sin0cos0
=1 / sin0cos0 + 1
=cosec0sec0+1
=1+cosec0sec0 (ans)
I hope this you.....
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