Q. 9 D

# Find the value of

cot (585^{0})

Answer :

To find: Value of

We have,

cot (585°) = cot [90° × 6 + 45°]

= cot 45°

[Clearly, 585° is in III^{rd} Quadrant and the multiple of 90° is even]

= 1 [∵ cot 45° = 1]

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