Question Number 224203 by fantastic last updated on 24/Aug/25

Commented by fantastic last updated on 24/Aug/25

$${Prove}\:\alpha=\frac{\theta}{\mathrm{2}} \\ $$
Commented by mr W last updated on 25/Aug/25

$$\alpha=\frac{\theta}{\mathrm{2}}\:{is}\:{wrong}! \\ $$
Commented by mr W last updated on 25/Aug/25

$${then}\:{you}\:{prove}\:{that}!\:{or}\:{you}\:{should} \\ $$$${make}\:{your}\:{question}\:{more}\:{clear}. \\ $$
Commented by fantastic last updated on 25/Aug/25

$${I}\:{posted}\:{it}. \\ $$$${See}\:{Q}\mathrm{224213} \\ $$
Commented by fantastic last updated on 25/Aug/25

$${you}\:{said}\:{right}.\:{my}\:{fault}\::\left(\right. \\ $$
Commented by mr W last updated on 25/Aug/25

$${here}\:{you}\:{didn}'{t}\:{say}\:{that}\:{in}\:{case}\:\mathrm{2} \\ $$$${P}\:{is}\:{just}\:{replaced}\:{with}\:{P}+{R}.\:{and} \\ $$$${you}\:{didn}'{t}\:{mark}\:{R}.\:{and}\:{you}\:{didn}'{t} \\ $$$${say}\:{that}\:{R}={P}+{Q}.\:{this}\:{makes}\:{a}\: \\ $$$${huge}\:{difference}\:{what}\:{you}\:{mean}\:{with} \\ $$$${the}\:{question}!\: \\ $$