Question

cos70°/sin 20°+cos59°cossec31°

Answer 1

1 is the right answer

Answer 2

$\frac{ \cos(70) }{ \sin(20) } + \cos(59) \csc(31) \\ = \frac{ \cos(90 - 20) }{ \sin(20) } + \cos(90 - 31) \csc(31) \\ = \frac{ \sin(20) }{ \sin(20) } + \sin(31) \times \frac{1}{ \sin(31) } \\ = 1 + 1 \\ = 2(answer)$
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