![\bf \textit{Sum and Difference Identities} \\\\ sin(\alpha + \beta)=sin(\alpha)cos(\beta) + cos(\alpha)sin(\beta) \\\\ sin(\alpha - \beta)=sin(\alpha)cos(\beta)- cos(\alpha)sin(\beta) \\\\ cos(\alpha + \beta)= cos(\alpha)cos(\beta)- sin(\alpha)sin(\beta) \\\\ cos(\alpha - \beta)= cos(\alpha)cos(\beta) + sin(\alpha)sin(\beta) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ sin(52^o)cos(13^o)-cos(52^o)sin(13^o)\implies sin(52^o-13^o)\implies sin(39^o)](/tpl/images/0129/4635/e3c47.png)
Write the expression as either the sine, cosine, or tangent of a single angle.
sin 52° cos 13°...
Mathematics, 25.07.2019 02:20 bren04
Write the expression as either the sine, cosine, or tangent of a single angle.
sin 52° cos 13° - cos 52° sin 13°
Answers: 1
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