α_{päike} = \arctan (\frac{d}{l}) = α_{õhupall} = \arctan (\frac{D}{h_{õhupall}})

${\alpha_\text{päike}=\arctan\left(\dfrac{d}{l}\right) =\alpha_\text{õhupall}= \arctan\left(\dfrac{D}{h_\text{õhupall}}\right)}$

Error