AM-2580

Addition formulae

A Math · Secondary 4 · Easy · Addition formulae

Without using a calculator, find the exact value of

\sin 75^\circ

.

$\dfrac{\sqrt6+\sqrt2}{4}$
$\dfrac{\sqrt6-\sqrt2}{4}$
$\dfrac{\sqrt3+1}{2}$
$\dfrac{\sqrt3}{2}$

Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.

Loading problem…