SSC CPO SI and ASI 2012 Paper

Question : 140 of 200

Marks: +1, -0

The value of (tan35°.tan45°.tan55°) is

Solution:

(4)

\tan 35^{\°} ×\tan 45^{\°} \×\tan 55^{\°}

=\tan 35^{\°} \× 1 × \tan \ (90^{\°}-35^{\°}\ )=1

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