Question

cos square 60°+ sin square 45°​

Answer 1

Step-by-step explanation:

cos 60°= 1/2

sin 45°=1/√2

(1/2)²+(1/√2)²

1/4+1/2

3/4

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Answer 2

$= \cos {}^{2} (60) + \sin {}^{2} (45) \\ = ( \frac{1}{2}) {}^{2} + (\frac{1}{ \sqrt{2} } ) {}^{2} \\ = \frac{1}{4} + \frac{1}{2} \\ = \frac{1 + 2}{4} \\ = \frac{3}{4} \\ 0.75 \\ \\ mark \: \: brainliest \: ...$