please answer the above questions
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Step-by-step explanation:
tan55/cot35+cot1.cot2.cot3.....cot90
=tan(90-35)/cot35+cot1.cot2.cot.3.
(0) (since cot90=0)
=cot35/cot35+0
=1+0
=1. (ans)
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