[tex]\frac{2\frac{sin\alpha }{tg\alpha}-10tg\alpha *cos\alpha+10}{5sin\alpha-cos\alpha+5}= \frac{2\frac{sin\alpha }{0,2}-10*0,2*cos\alpha+10}{5sin\alpha-cos\alpha+5}=\frac{{10sin\alpha }-2cos\alpha+10}{5sin\alpha-cos\alpha+5}=\frac{{2(5sin\alpha }-cos\alpha+5)}{5sin\alpha-cos\alpha+5}=2" alt="\frac{2cos\alpha-10sin\alpha+10}{[tex]\frac{2\frac{sin\alpha }{tg\alpha}-10tg\alpha *cos\alpha+10}{5sin\alpha-cos\alpha+5}
[tex]\frac{2\frac{sin\alpha }{tg\alpha}-10tg\alpha *cos\alpha+10}{5sin\alpha-cos\alpha+5}= \frac{2\frac{sin\alpha }{0,2}-10*0,2*cos\alpha+10}{5sin\alpha-cos\alpha+5}=\frac{{10sin\alpha }-2cos\alpha+10}{5sin\alpha-cos\alpha+5}=\frac{{2(5sin\alpha }-cos\alpha+5)}{5sin\alpha-cos\alpha+5}=2" align="absmiddle" class="latex-formula">
P.s., если не отображается нормально, смотри вложение.
