Solution
Expression : cot 135° = x
= $$cot(180-45)$$
= $$-cot(45)$$
= $$-1$$
=> Ans - (C)
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Expression : cot 135° = x
= $$cot(180-45)$$
= $$-cot(45)$$
= $$-1$$
=> Ans - (C)
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