Question

="TexFormula1" title=" - \sin( \beta ) \times - \sin( \beta ) " alt=" - \sin( \beta ) \times - \sin( \beta ) " align="absmiddle" class="latex-formula">
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Answer 1

Answer:

$- \sin( \beta ) \times - \sin( \beta ) \\ = ( { \sin}^{2} \beta ) \\ = \sqrt{1 - { \cos }^{2} \beta }$