Question

$sin {}^{2} 30 - cos {}^{2} 30 = {?}$
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Answer 1

This is your answer friend plz like

Answer 2

Answer:

$<marquee>hi<marquee>$

${sin}^{2} 30 - {cos}^{2} 30 = (\frac{1}{2} ) ^{2} + ( { \frac{ \ { \sqrt{3} } }{2}) }^{2}$

$= \frac{1}{4 } + \frac{3}{4}$

$= \frac{4}{4}$

$= 1$

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