Question

sin260° + cos2 30° is ​

Answer 1

$sin {}^{2} 60 + cos {}^{2} 30 \\ \\ = ( \frac{ \sqrt{3} }{2} ) {}^{2} + ( \frac{ \sqrt{3} }{2} ) {}^{2} \\ \\ = \frac{3}{4} + \frac{3}{4} \\ \\ = \frac{3 + 3}{4} \\ \\ = \frac{6}{4} \\ \\ = \frac{3}{2}$