Find the value of $cos (- 30^{\circ})$

Open in App

Solution

$cos (- 30^{\circ})$
$= cos (30^{\circ})$ since $cos (- θ) = cos θ$
$= \frac{\sqrt{3}}{2}$

Suggest Corrections

Similar questions

sin 30^{o} cos 30^{o}

Find the value of

$\frac{1 + sin 30^{\circ}}{cos 30^{\circ}} + \frac{cos 30^{\circ}}{1 + sin 30^{\circ}}$

Find the value of
$\frac{1 + s i n 30^{\circ}}{c o s 30^{\circ}} + \frac{c o s 30^{\circ}}{1 + s i n 30^{\circ}} .$

\frac{sin 30^{0}}{1 + cos 30^{0}} + \frac{1 + cos 30^{0}}{sin 30^{0}}

Join BYJU'S Learning Program