Question

evaluate :- sin 90°/cos 45º+1/cosec 30°


ans should be
$\frac{2}{ \sqrt{3} }$
​

Answer 1

$\frac{ \sin(90) }{ \cos(45) } + \frac{1}{cosec(30)} = \frac{1}{ \frac{1}{ \sqrt{2} } } + \sin(30) \\ = \sqrt{2 } + \frac{1}{2} = \frac{2 \sqrt{2} + 1}{2}$

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Answer 2

Answer:

1/1/2+ 1/2=2/1+1/2=(4+1)/2=4/2