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Trigonometric Functions — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSTrigonometric Functions1 Mark
MCQ
In a DABC, if angle C is obtuse, then:
  • A
    $\tan\text{A}\tan\text{B}<1$
  • B
    $\tan\text{A}\tan\text{B}\in1$
  • C
    $\tan\text{A}\tan\text{B}>1$
  • D
    $\text{None of these }$
✓

Answer

  1. $\tan\text{A}\tan\text{B}<1$

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