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Asked by Mahmooda Last Modified
Answer 
From the given condition,
CosΘ = 1/√2
CosΘ = Cos45º
∴ Θ = 45º
Now,
4 + CotΘ = 4 + Cot45º
= 4 + 1
= 5
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Given,
Therefore, .
Therefore, .
4+
cos=1/
,
=
,
4+cot = 4+1 =5
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