Question

$cos (18) - sin(42)$
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Answer 1

Step-by-step explanation:

$\huge\boxed{\fcolorbox{cyan}{magentarose}{⛄~MysticalBlush~⛄}}$

✿ Cos 18 - Sin 42

✿ Cos ( 90 - 42 ) - Sin 42

✿ Sin 42 - Sin 42

$\huge\bold\green{Cancel \: it}$

✿ 0