JEE MAIN - Mathematics Hindi (2021 - 17th March Morning Shift - No. 12)

यदि cot$$-$$1($$\alpha$$) = cot$$-$$1 2 + cot$$-$$1 8 + cot$$-$$1 18 + cot$$-$$1 32 + ...... 100 शर्तों तक, तब $$\alpha$$ है :
1.02
1.03
1.01
1.00

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