The value of ${\rm{\;tan}}\,\,20^\circ \,\,\tan \,\,40^\circ \,\,\tan \,\,60^\circ \,\,\tan \,\,80^\circ {\rm{\;}}$ is equal to

JEE MATHEMATICS MCQ: MULTIPLE AND SUBMULTIPLE ANGLES

1 Easy

1 of 1

Application +4 | -1

The value of

\mathrm{\;tan}\,\,20^\circ \,\,\tan \,\,40^\circ \,\,\tan \,\,60^\circ \,\,\tan \,\,80^\circ \mathrm{\;}

is equal to

View answer and explanation

Correct option: C

Option C (3) is correct because the product of the tangent values simplifies to 3 using trigonometric identities.

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