Question

Sin square 30 degree + Sin square 45 degree + Sin square 60 degree​

Answer 1

Step-by-step explanation:

${sin30}^{2} + {sin45}^{2} + {sin60}^{2}$

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

$= \frac{4}{4} + \frac{1}{2}$

$= 1 + \frac{1}{2}$

$= \frac{3}{2}$