Question

help in this question
sec50° sin40°+cos40°cosec60°

Answer 1

sec50sin40+cos40cosec60
=sec(90-40)sin40+cos(90-60)cosec60
=cosec40xsin40 + sin60 x cosec60

$= \frac{1}{ \sin(40) } \times \sin(40) + \frac{1}{ \ \csc (60) } \times \csc(60)$
=1+1
=2