Respuesta:
Explicación paso a paso:
Nose eso estoy en octavo
calcula el valor de la expresion ayudaaáaa
[tex]\frac{tan30\cdot \:csc60\cdot \:csc45}{csc30\cdot \:cos60}\\\\=\frac{\tan \left(30^{\circ \:}\right)\frac{1}{\sin \left(60^{\circ \:}\right)}\csc \left(45^{\circ \:}\right)}{\csc \left(30^{\circ \:}\right)\cos \left(60^{\circ \:}\right)}\\\\=\frac{\tan \left(30^{\circ \:}\right)\frac{1}{\sin \left(60^{\circ \:}\right)}\cdot \frac{1}{\sin \left(45^{\circ \:}\right)}}{\csc \left(30^{\circ \:}\right)\cos \left(60^{\circ \:}\right)}\\\\[/tex]
[tex]=\frac{\tan \left(30^{\circ \:}\right)\frac{1}{\sin \left(60^{\circ \:}\right)}\cdot \frac{1}{\sin \left(45^{\circ \:}\right)}}{\frac{1}{\sin \left(30^{\circ \:}\right)}\cos \left(60^{\circ \:}\right)}\\\\=\frac{\tan \left(30^{\circ \:}\right)\frac{1}{\sin \left(60^{\circ \:}\right)}\cdot \frac{1}{\sin \left(45^{\circ \:}\right)}}{\frac{1}{\cos \left(90^{\circ \:}-30^{\circ \:}\right)}\cos \left(60^{\circ \:}\right)}\\\\=\frac{\frac{\sqrt{3}}{3}}{\frac{\sqrt{3}}{2}\cdot \frac{\sqrt{2}}{2}}\\\\[/tex]
[tex]=\frac{2\sqrt{2}}{3}[/tex]
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Respuesta:
Explicación paso a paso:
Nose eso estoy en octavo
Verified answer
Respuesta:
calcula el valor de la expresion ayudaaáaa
Explicación paso a paso:
[tex]\frac{tan30\cdot \:csc60\cdot \:csc45}{csc30\cdot \:cos60}\\\\=\frac{\tan \left(30^{\circ \:}\right)\frac{1}{\sin \left(60^{\circ \:}\right)}\csc \left(45^{\circ \:}\right)}{\csc \left(30^{\circ \:}\right)\cos \left(60^{\circ \:}\right)}\\\\=\frac{\tan \left(30^{\circ \:}\right)\frac{1}{\sin \left(60^{\circ \:}\right)}\cdot \frac{1}{\sin \left(45^{\circ \:}\right)}}{\csc \left(30^{\circ \:}\right)\cos \left(60^{\circ \:}\right)}\\\\[/tex]
[tex]=\frac{\tan \left(30^{\circ \:}\right)\frac{1}{\sin \left(60^{\circ \:}\right)}\cdot \frac{1}{\sin \left(45^{\circ \:}\right)}}{\frac{1}{\sin \left(30^{\circ \:}\right)}\cos \left(60^{\circ \:}\right)}\\\\=\frac{\tan \left(30^{\circ \:}\right)\frac{1}{\sin \left(60^{\circ \:}\right)}\cdot \frac{1}{\sin \left(45^{\circ \:}\right)}}{\frac{1}{\cos \left(90^{\circ \:}-30^{\circ \:}\right)}\cos \left(60^{\circ \:}\right)}\\\\=\frac{\frac{\sqrt{3}}{3}}{\frac{\sqrt{3}}{2}\cdot \frac{\sqrt{2}}{2}}\\\\[/tex]
[tex]=\frac{2\sqrt{2}}{3}[/tex]