Question

60/sin (32п/3) * cos (25п/6)

Answer 1

$\frac{60}{sin(10 \pi + \frac{2 \pi }{3})*cos(4 \pi + \frac{ \pi }{6}) }$ =

$\frac{60}{sin( \frac{2 \pi }{3})*cos \frac{ \pi }{6} }$ =

$\frac{60}{ \frac{ \sqrt{3} }{2}* \frac{ \sqrt{3} }{2} } = \frac{60*4}{3} =20*4=80$