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Tan 90° is _____(a) Not defined(b) 1(c) 0(d) 2The question was asked during a job interview.I want to ask this question from Trigonometric Ratios ofSpecific Angles topic in division Trigonometry of Mathematics – Class 10

Answer»

The correct option is (a) Not defined

Best EXPLANATION: Tan 90° = \(\FRAC {Sin \, 90^{\circ }}{Cos \, 90^{\circ }} = \frac {1}{0}\)

Any number DIVIDED with 0 is ALWAYS not defined.



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