Question

60/sin (32п/3) * cos (25п/6)

Answer 1

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

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

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