1.

√1+tan118°.cos118°=??

Answer»
\sqrt{1 +( \tan(118) \times \cos(118) )} \\ \\ \\ => \sqrt{1 +( \tan(118) \times \frac{1}{ \tan(118) }) } \\ \\ \\ = > \sqrt{1 + 1} \\ \\ => \sqrt{2}


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