Question

sin^2 (60°)+cos^2 (45°)
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Answer 1

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$\large\sf \red{sin^2(60) + cos^2(45)}</p><p>$

$= (cos(45))^2 + (sin(60))^2</p><p>$

$\large{= \frac{1}{ \sqrt{ {2}^{2} } } + \frac{3} { \sqrt{ {2}^{2} } } }</p><p>$

$\large{= \frac{1}{2} + \frac{3}{4} = \frac{5}{4}}$

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