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Trigonometric Functions — Maths STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMathsTrigonometric Functions1 Mark
MCQ
$\cos \left[\tan ^{-1} \frac{1}{3}+\tan ^{-1} \frac{1}{2}\right]=$
  • ✓
    $\frac{1}{\sqrt{2}}$
  • B
    $\frac{\sqrt{3}}{2}$
  • C
    $\frac{1}{2}$
  • D
    $\frac{\pi}{4}$
✓

Answer

Correct option: A.
$\frac{1}{\sqrt{2}}$
(a) $\frac{1}{\sqrt{2}}$

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